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zh:courses:java2025:ch06 [2025/03/23 20:33]
pzczxs 创建 		zh:courses:java2025:ch06 [2025/04/04 11:26] (当前版本)
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 ====== 第六章：集合类 ====== ====== 第六章：集合类 ======
 ===== 课件 ===== ===== 课件 =====
-下载：集合类+下载：{{ :​zh:​courses:​java2025:​ch06.pptx |集合类}}
  
 ===== List的实现类：ArrayList类 ===== ===== List的实现类：ArrayList类 =====
行 736: 行 736:
  
 ===== 上机作业 ===== ===== 上机作业 =====
-  * 建立一个Corpus类，用于存储专利文献集合（每篇专利文献的信息见[[zh:​courses:​java2024:​ch05#​上机作业|第五章最后一道上机作业]]），建立查询和删除方法，可根据专利申请号、申请日期、IPC分类号和CPC分类号查询和删除相应专利文献。 +  * 建立一个Corpus类，用于存储专利文献集合（每篇专利文献的信息见[[zh:​courses:​java2025:​ch05#​上机作业|第五章最后一道上机作业]]），建立查询和删除方法，可根据专利申请号、申请日期、IPC分类号和CPC分类号查询和删除相应专利文献。
-【参考答案一】 +
-<file java Classification.java>​ +
-package cn.edu.bjut.chapter6;​ +
- +
-public class Classification { +
- protected char section; +
- protected int mainClass;​ +
- protected char subclass; +
- protected int mainGroup;​ +
- protected int subgroup; +
- +
- public final static char SEPARATOR = '/';​ +
- +
- public Classification(char section, int mainClass, char subclass, int mainGroup, int subgroup) { +
- this.section = section; +
- this.mainClass = mainClass;​ +
- this.subclass = subclass; +
- this.mainGroup = mainGroup;​ +
- this.subgroup = subgroup; +
- } +
- +
- // example: G09F 17/30 +
- public Classification(String symbol) { +
- this.section = symbol.charAt(0);​ +
- this.mainClass = Integer.parseInt(symbol.substring(1,​ 3)); +
- this.subclass = symbol.charAt(3);​ +
- +
- int pos = symbol.indexOf(SEPARATOR);​ +
- this.mainGroup = Integer.parseInt(symbol.substring(4,​ pos).trim());​ +
- this.subgroup = Integer.parseInt(symbol.substring(pos + 1)); +
- } +
- +
- public char getSection() { +
- return section; +
- } +
- +
- public void setSection(char section) { +
- this.section = section; +
- } +
- +
- public int getMainClass() { +
- return mainClass;​ +
- } +
- +
- public void setMainClass(int mainClass) { +
- this.mainClass = mainClass;​ +
- } +
- +
- public char getSubclass() { +
- return subclass; +
- } +
- +
- public void setSubclass(char subclass) { +
- this.subclass = subclass; +
- } +
- +
- public int getMainGroup() { +
- return mainGroup;​ +
- } +
- +
- public void setMainGroup(int mainGroup) { +
- this.mainGroup = mainGroup;​ +
- } +
- +
- public int getSubgroup() { +
- return subgroup; +
- } +
- +
- public void setSubgroup(int subgroup) { +
- this.subgroup = subgroup; +
- } +
- +
-        @Override +
- public boolean equals(Object obj) { +
- if (this == obj) { +
- return true; +
- } +
-  +
- if (obj == null || getClass() != obj.getClass()) { +
- return false; +
- } +
-  +
- Classification other = (Classification) obj; +
- if (mainClass != other.mainClass || mainGroup != other.mainGroup ||  +
- section != other.section || subclass != other.subclass || subgroup != other.subgroup) { +
- return false; +
- } +
-  +
- return true; +
- } +
- +
- @Override +
- public String toString() { +
- StringBuilder sb = new StringBuilder();​ +
- +
- sb.append(section);​ +
- +
- sb.append(String.format("​%2s",​ mainClass).replace('​ ', '​0'​));​ +
- +
- sb.append(subclass);​ +
- +
- sb.append(String.format("​%4s",​ mainGroup));​ +
- +
- sb.append(SEPARATOR);​ +
- +
- sb.append(subgroup);​ +
- +
- return sb.toString();​ +
- } +
-} +
-</​file>​ +
- +
-<file java Ipc.java>​ +
-package cn.edu.bjut.chapter6;​ +
- +
-public class Ipc extends Classification { +
-  +
- public Ipc(char section, int mainClass, char subclass, int mainGroup, int subgroup) { +
- super(section,​ mainClass, subclass, mainGroup, subgroup);  +
- } +
-  +
- public Ipc(String symbol) { +
- super(symbol);​  +
- } +
-  +
- public static void main(String[] args) { +
- char section = '​A';​  +
- int mainClass = 4;  +
- char subclass = '​B';​  +
- int mainGroup = 55;  +
- int subgroup = 56;  +
-  +
- Classification ipc = new Ipc(section,​ mainClass, subclass, mainGroup, subgroup);  +
- System.out.println(ipc);​  +
-  +
- String symbol = "G09F 17/​30";​  +
- System.out.println(new Ipc(symbol));​  +
- } +
-} +
-</​file>​ +
- +
-<file java Cpc.java>​ +
-package cn.edu.bjut.chapter6;​ +
- +
-public class Cpc extends Classification { +
- private char position;  +
- private char value;  +
-  +
- public Cpc(char section, int mainClass, char subclass, int mainGroup, int subgroup, char position, char value) { +
- super(section,​ mainClass, subclass, mainGroup, subgroup);  +
-  +
- this.position = position;  +
- this.value = value;  +
- } +
-  +
- public Cpc(String symbol, char position, char value) { +
- super(symbol);​  +
-  +
- this.position = position;  +
- this.value = value;  +
- } +
- +
- public char getPosition() { +
- return position; +
- } +
- +
- public void setPosition(char position) { +
- this.position = position; +
- } +
- +
- public char getValue() { +
- return value; +
- } +
- +
- public void setValue(char value) { +
- this.value = value; +
- } +
- +
-        @Override +
- public boolean equals(Object obj) { +
- if (this == obj) { +
- return true; +
- } +
-  +
- if (!super.equals(obj)) { +
- return false; +
- } +
-  +
- if (getClass() != obj.getClass()) { +
- return false; +
- } +
-  +
- Cpc other = (Cpc) obj; +
- if (position != other.position || value != other.value) { +
- return false; +
- } +
-  +
- return true; +
- } +
-} +
-</​file>​ +
- +
-<file java Date.java>​ +
-package cn.edu.bjut.chapter6;​ +
- +
-public class Date { +
- private int year, month, day; +
- +
- public Date(int year, int month, int day) { +
- this.year = year; +
- this.month = month; +
- this.day = day; +
- } +
- +
- // format: YYYY-MM-DD +
- public Date(String str) { +
- String[] parts = str.trim().split("​-"​);​  +
- this.year = Integer.parseInt(parts[0]);​  +
- this.month = Integer.parseInt(parts[1]);​  +
- this.day = Integer.parseInt(parts[2]);​  +
- } +
- +
- public int getYear() { +
- return year; +
- } +
- +
- public void setYear(int year) { +
- this.year = year; +
- } +
- +
- public int getMonth() { +
- return month; +
- } +
- +
- public void setMonth(int month) { +
- this.month = month; +
- } +
- +
- public int getDay() { +
- return day; +
- } +
- +
- public void setDay(int day) { +
- this.day = day; +
- } +
- +
-        @Override +
- public boolean equals(Object obj) { +
- if (this == obj) { +
- return true; +
- } +
-  +
- if (obj == null || getClass() != obj.getClass()) { +
- return false; +
- } +
-  +
- Date other = (Date) obj; +
- if (day != other.day || month != other.month || year != other.year) { +
- return false; +
- } +
-  +
- return true; +
- } +
- +
- @Override +
- public String toString() { +
- StringBuilder sb = new StringBuilder();​ +
- +
- sb.append(year);​ +
- if (month < 10) { +
- sb.append("​0"​ + month); +
- } else { +
- sb.append(month);​ +
- } +
- if (day < 10) { +
- sb.append("​0"​ + day); +
- } else { +
- sb.append(day);​ +
- } +
- +
- return sb.toString();​ +
- } +
-} +
-</​file>​ +
- +
-<file java Patent.java>​ +
-package cn.edu.bjut.chapter6;​ +
- +
-public class Patent { +
- private String applicationNo;​  +
- private Date applicationDate;​  +
- private Ipc[] ipcs;  +
- private Cpc[] cpcs;  +
-  +
- private final static String SEPERATOR = ",";​  +
-  +
- public Patent(String applicationNo,​ Date applicationDate,​ Ipc[] ipcs, Cpc[] cpcs) { +
- this.applicationNo = applicationNo;​  +
- this.applicationDate = applicationDate;​  +
- this.ipcs = ipcs;  +
- this.cpcs = cpcs;  +
- } +
-  +
- public Patent(String applicationNo,​ String applicationDate,​ String multiIpcs, String multiCpcs, char position, char value) { +
- this.applicationNo = applicationNo;​  +
- this.applicationDate = new Date(applicationDate);​  +
-  +
- String[] ipcSymbols = multiIpcs.split(SEPERATOR);​  +
- this.ipcs = new Ipc[ipcSymbols.length];​  +
- for (int i = 0; i < ipcSymbols.length;​ i++) { +
- ipcs[i] = new Ipc(ipcSymbols[i].trim());​  +
- } +
-  +
- String[] cpcSymbols = multiCpcs.split(SEPERATOR);​  +
- this.cpcs = new Cpc[cpcSymbols.length];​  +
- for (int i = 0; i < cpcSymbols.length;​ i++) { +
- cpcs[i] = new Cpc(cpcSymbols[i].trim(),​ position, value);  +
- } +
- } +
- +
- public String getApplicationNo() { +
- return applicationNo;​ +
- } +
- +
- public void setApplicationNo(String applicationNo) { +
- this.applicationNo = applicationNo;​ +
- } +
- +
- public Date getApplicationDate() { +
- return applicationDate;​ +
- } +
- +
- public void setApplicationDate(Date applicationDate) { +
- this.applicationDate = applicationDate;​ +
- } +
- +
- public Ipc[] getIpcs() { +
- return ipcs; +
- } +
- +
- public void setIpcs(Ipc[] ipcs) { +
- this.ipcs = ipcs; +
- } +
- +
- public Cpc[] getCpcs() { +
- return cpcs; +
- } +
- +
- public void setCpcs(Cpc[] cpcs) { +
- this.cpcs = cpcs; +
- } +
- +
- @Override +
- public String toString() { +
- StringBuilder sb = new StringBuilder();​  +
-  +
- sb.append(applicationNo + "​\t"​ + applicationDate + "​\t"​);​  +
-  +
- sb.append("​["​);​  +
- for (int i = 0; i < ipcs.length - 1; i++) { +
- sb.append(ipcs[i] + SEPERATOR);  +
- } +
- sb.append(ipcs[ipcs.length - 1] + "​]\t"​);​  +
-  +
- sb.append("​["​);​  +
- for (int i = 0; i < cpcs.length - 1; i++) { +
- sb.append(cpcs[i] + SEPERATOR);  +
- } +
- sb.append(cpcs[cpcs.length - 1] + "​]"​);​  +
-  +
- return sb.toString();​  +
- } +
-} +
-</​file>​ +
- +
-<file java CorpusList.java>​ +
-package cn.edu.bjut.chapter6;​ +
- +
-import java.util.ArrayList;​ +
-import java.util.List;​ +
- +
-public class CorpusList { +
- private List<​Patent>​ data;  +
-  +
- public CorpusList() { +
- this.data = new ArrayList<​Patent>​();​  +
- } +
-  +
- public CorpusList(List<​Patent>​ data) { +
- this.data = data;  +
- } +
-  +
- public CorpusList(Patent[] patents) { +
- this();  +
-  +
- for (Patent patent: patents) { +
- data.add(patent);​  +
- } +
- } +
-  +
- public void add(Patent patent) { +
- data.add(patent);​  +
- } +
-  +
- public int size() { +
- return data.size();​  +
- } +
-  +
- public boolean contains(String applicationNo) { +
- if (applicationNo == null || applicationNo.trim().equals(""​)) { +
- return false;  +
- } +
-  +
- for (Patent patent: data) { +
- if (patent.getApplicationNo().equalsIgnoreCase(applicationNo)) { +
- return true;  +
- } +
- } +
-  +
- return false;  +
- } +
-  +
- public boolean contains(Ipc ipc) { +
- if (ipc == null) { +
- return false;  +
- } +
-  +
- for (Patent patent: data) { +
- Ipc[] ipcs = patent.getIpcs();​  +
- for (Ipc e: ipcs) { +
- if (e.equals(ipc)) { +
- return true;  +
- } +
- } +
- } +
-  +
- return false;  +
- } +
-  +
- public boolean contains(Cpc cpc) { +
- if (cpc == null) { +
- return false;  +
- } +
-  +
- for (Patent patent: data) { +
- Cpc[] cpcs = patent.getCpcs();​  +
- for (Cpc e: cpcs) { +
- if (e.equals(cpc)) { +
- return true;  +
- } +
- } +
- } +
-  +
- return false;  +
- } +
-  +
- public boolean contains(Date applicationDate) { +
- if (applicationDate == null) { +
- return false;  +
- } +
-  +
- for (Patent patent: data) { +
- if (patent.getApplicationDate().equals(applicationDate)) { +
- return true;  +
- } +
- } +
-  +
- return false;  +
- } +
-  +
- public CorpusList find(String applicationNo) { +
- if (applicationNo == null || applicationNo.trim().equals(""​)) { +
- return null;  +
- } +
-  +
- CorpusList corpus = new CorpusList();​  +
-  +
- for (Patent patent: data) { +
- if (patent.getApplicationNo().equalsIgnoreCase(applicationNo)) { +
- corpus.add(patent);​ +
- } +
- } +
-  +
- return corpus.size() == 0? null: corpus; ​  +
- } +
-  +
- public CorpusList find(Ipc ipc) { +
- if (ipc == null) { +
- return null;  +
- } +
-  +
- CorpusList corpus = new CorpusList();​  +
-  +
- for (Patent patent: data) { +
- Ipc[] ipcs = patent.getIpcs();​  +
- for (Ipc e: ipcs) { +
- if (e.equals(ipc)) { +
- corpus.add(patent);​ +
- break;  +
- } +
- } +
- } +
-  +
- return corpus.size() == 0? null: corpus;  +
- } +
-  +
- public CorpusList find(Cpc cpc) { +
- if (cpc == null) { +
- return null;  +
- } +
-  +
- CorpusList corpus = new CorpusList();​  +
-  +
- for (Patent patent: data) { +
- Cpc[] cpcs = patent.getCpcs();​  +
- for (Cpc e: cpcs) { +
- if (e.equals(cpc)) { +
- corpus.add(patent);​ +
- break;  +
- } +
- } +
- } +
-  +
- return corpus.size() == 0? null: corpus;  +
- } +
-  +
- public CorpusList find(Date applicationDate) { +
- if (applicationDate == null) { +
- return null;  +
- } +
-  +
- CorpusList corpus = new CorpusList();​  +
-  +
- for (Patent patent: data) { +
- if (patent.getApplicationDate().equals(applicationDate)) { +
- corpus.add(patent);​ +
- } +
- } +
-  +
- return corpus.size() == 0? null: corpus; ​  +
- } +
-  +
- public CorpusList remove(String applicationNo) { +
- if (applicationNo == null || applicationNo.trim().equals(""​)) { +
- return this;  +
- } +
-  +
- CorpusList corpus = new CorpusList();​  +
-  +
- for (Patent patent: data) { +
- if (!patent.getApplicationNo().equalsIgnoreCase(applicationNo)) { +
- corpus.add(patent);​ +
- } +
- } +
-  +
- return corpus.size() == 0? null: corpus; ​  +
- } +
-  +
- public CorpusList remove(Ipc ipc) { +
- if (ipc == null) { +
- return this;  +
- } +
-  +
- CorpusList corpus = new CorpusList();​  +
-  +
- for (Patent patent: data) { +
- boolean flag = false;  +
- Ipc[] ipcs = patent.getIpcs();​  +
- for (Ipc e: ipcs) { +
- if (e.equals(ipc)) { +
- flag = true;  +
- break; ​   +
- } +
- } +
-  +
- if (!flag) { +
- corpus.add(patent);​ +
- } +
- } +
-  +
- return corpus.size() == 0? null: corpus;  +
- } +
-  +
- public CorpusList remove(Cpc cpc) { +
- if (cpc == null) { +
- return null;  +
- } +
-  +
- CorpusList corpus = new CorpusList();​  +
-  +
- for (Patent patent: data) { +
- boolean flag = false;  +
- Cpc[] cpcs = patent.getCpcs();​  +
- for (Cpc e: cpcs) { +
- if (e.equals(cpc)) { +
- flag = true;  +
- break;  +
- } +
- } +
-  +
- if (!flag) { +
- corpus.add(patent);​ +
- } +
- } +
-  +
- return corpus.size() == 0? null: corpus;  +
- } +
-  +
- public CorpusList remove(Date applicationDate) { +
- if (applicationDate == null) { +
- return this;  +
- } +
-  +
- CorpusList corpus = new CorpusList();​  +
-  +
- for (Patent patent: data) { +
- if (!patent.getApplicationDate().equals(applicationDate)) { +
- corpus.add(patent);​ +
- } +
- } +
-  +
- return corpus.size() == 0? null: corpus; ​  +
- } +
- +
- @Override +
- public String toString() { +
- StringBuilder sb = new StringBuilder();​  +
-  +
- for (Patent patent: data) { +
- sb.append(patent + "​\n"​);​  +
- } +
-  +
- return sb.toString();​  +
- } +
- +
- public static void main(String[] args) { +
- Patent[] patents = new Patent[5];  +
- patents[0] = new Patent("​14725838",​ "​2015-05-29",​ "A23B 5/04, A23B 5/​045",​ "A23B 5/04, A23B 5/45, A23L 15/​20",​ '​F',​ '​I'​);​  +
- patents[1] = new Patent("​14814205",​ "​2015-07-30",​ "A61H 33/00, C01B 33/107, E04B 1/84", "A61H 33/6063, A61H 33/​6042",​ '​F',​ '​I'​);​  +
- patents[2] = new Patent("​15189723",​ "​2016-06-22",​ "D04B 1/00", "​B65H2301/​44514,​ C01B 33/1071, F16F 15/2, H01L 27/​14641",​ '​L',​ '​A'​);​  +
- patents[3] = new Patent("​14711011",​ "​2015-05-13",​ "B32B 17/10, B32B 27/​32",​ "G06F 3/​485",​ '​L',​ '​A'​);​  +
- patents[4] = new Patent("​14515267",​ "​2014-10-15",​ "F16F 15/02, G09G 5/34, G06F 3/​0485",​ "A01B 15/06, A01B 15/​06",​ '​L',​ '​I'​);​  +
-  +
- CorpusList corpus = new CorpusList(patents);​  +
- System.out.println(corpus);​  +
-  +
- CorpusList corpusFound = corpus.find(new Date("​2016-06-22"​));​  +
- System.out.println(corpusFound);​  +
-  +
- CorpusList corpusAfterRemovingIpc = corpus.remove(new Ipc("​F16F 15/​02"​));​ +
- System.out.println(corpusAfterRemovingIpc);​ +
-  +
- CorpusList corpusAfterRemovingCpc =corpus.remove(new Cpc("​A23B 5/04", '​F',​ '​I'​));​ +
- System.out.println(corpusAfterRemovingCpc);​  +
- } +
-} +
-</​file>​ +
- +
-【参考答案二】 +
-<file java Classification.java>​ +
-package cn.edu.bjut.chapter6;​ +
- +
-public class Classification { +
- protected char section; +
- protected int mainClass;​ +
- protected char subclass; +
- protected int mainGroup;​ +
- protected int subgroup; +
- +
- public final static char SEPARATOR = '/';​ +
- +
- public Classification(char section, int mainClass, char subclass, int mainGroup, int subgroup) { +
- this.section = section; +
- this.mainClass = mainClass;​ +
- this.subclass = subclass; +
- this.mainGroup = mainGroup;​ +
- this.subgroup = subgroup; +
- } +
- +
- // example: G09F 17/30 +
- public Classification(String symbol) { +
- this.section = symbol.charAt(0);​ +
- this.mainClass = Integer.parseInt(symbol.substring(1,​ 3)); +
- this.subclass = symbol.charAt(3);​ +
- +
- int pos = symbol.indexOf(SEPARATOR);​ +
- this.mainGroup = Integer.parseInt(symbol.substring(4,​ pos).trim());​ +
- this.subgroup = Integer.parseInt(symbol.substring(pos + 1)); +
- } +
- +
- public char getSection() { +
- return section; +
- } +
- +
- public void setSection(char section) { +
- this.section = section; +
- } +
- +
- public int getMainClass() { +
- return mainClass;​ +
- } +
- +
- public void setMainClass(int mainClass) { +
- this.mainClass = mainClass;​ +
- } +
- +
- public char getSubclass() { +
- return subclass; +
- } +
- +
- public void setSubclass(char subclass) { +
- this.subclass = subclass; +
- } +
- +
- public int getMainGroup() { +
- return mainGroup;​ +
- } +
- +
- public void setMainGroup(int mainGroup) { +
- this.mainGroup = mainGroup;​ +
- } +
- +
- public int getSubgroup() { +
- return subgroup; +
- } +
- +
- public void setSubgroup(int subgroup) { +
- this.subgroup = subgroup; +
- } +
- +
- @Override +
- public int hashCode() { +
- final int prime = 31; +
- int result = 1; +
-  +
- result = prime * result + mainClass;​ +
- result = prime * result + mainGroup;​ +
- result = prime * result + section; +
- result = prime * result + subclass; +
- result = prime * result + subgroup; +
-  +
- return result; +
- } +
- +
- @Override +
- public boolean equals(Object obj) { +
- if (this == obj) { +
- return true; +
- } +
-  +
- if (obj == null || getClass() != obj.getClass()) { +
- return false; +
- } +
-  +
- Classification other = (Classification) obj; +
- if (mainClass != other.mainClass || mainGroup != other.mainGroup ||  +
- section != other.section || subclass != other.subclass || subgroup != other.subgroup) { +
- return false; +
- } +
-  +
- return true; +
- } +
- +
- @Override +
- public String toString() { +
- StringBuilder sb = new StringBuilder();​ +
- +
- sb.append(section);​ +
- +
- String strMainClass = String.format("​%2s",​ mainClass).replace('​ ', '​0'​);​ +
- sb.append(strMainClass);​ +
- +
- sb.append(subclass);​ +
- +
- String strMainGroup = String.format("​%4s",​ mainGroup);​ +
- sb.append(strMainGroup);​ +
- +
- sb.append(SEPARATOR);​ +
- +
- sb.append(subgroup);​ +
- +
- return sb.toString();​ +
- } +
-} +
-</​file>​ +
- +
-<file java Ipc.java>​ +
-package cn.edu.bjut.chapter6;​ +
- +
-public class Ipc extends Classification { +
-  +
- public Ipc(char section, int mainClass, char subclass, int mainGroup, int subgroup) { +
- super(section,​ mainClass, subclass, mainGroup, subgroup);  +
- } +
-  +
- public Ipc(String symbol) { +
- super(symbol);​  +
- } +
-  +
- public static void main(String[] args) { +
- char section = '​A';​  +
- int mainClass = 4;  +
- char subclass = '​B';​  +
- int mainGroup = 55;  +
- int subgroup = 56;  +
-  +
- Classification ipc = new Ipc(section,​ mainClass, subclass, mainGroup, subgroup);  +
- System.out.println(ipc);​  +
-  +
- String symbol = "G09F 17/​30";​  +
- System.out.println(new Ipc(symbol));​  +
- } +
-} +
-</​file>​ +
- +
-<file java Cpc.java>​ +
-package cn.edu.bjut.chapter6;​ +
- +
-public class Cpc extends Classification { +
- private char position;  +
- private char value;  +
-  +
- public Cpc(char section, int mainClass, char subclass, int mainGroup, int subgroup, char position, char value) { +
- super(section,​ mainClass, subclass, mainGroup, subgroup);  +
-  +
- this.position = position;  +
- this.value = value;  +
- } +
-  +
- public Cpc(String symbol, char position, char value) { +
- super(symbol);​  +
-  +
- this.position = position;  +
- this.value = value;  +
- } +
- +
- public char getPosition() { +
- return position; +
- } +
- +
- public void setPosition(char position) { +
- this.position = position; +
- } +
- +
- public char getValue() { +
- return value; +
- } +
- +
- public void setValue(char value) { +
- this.value = value; +
- } +
- +
- @Override +
- public int hashCode() { +
- final int prime = 31; +
- int result = super.hashCode();​ +
-  +
- result = prime * result + position; +
- result = prime * result + value; +
-  +
- return result; +
- } +
- +
- @Override +
- public boolean equals(Object obj) { +
- if (this == obj) { +
- return true; +
- } +
-  +
- if (!super.equals(obj)) { +
- return false; +
- } +
-  +
- if (getClass() != obj.getClass()) { +
- return false; +
- } +
-  +
- Cpc other = (Cpc) obj; +
- if (position != other.position || value != other.value) { +
- return false; +
- } +
-  +
- return true; +
- } +
-} +
-</​file>​ +
- +
-<file java Date.java>​ +
-package cn.edu.bjut.chapter6;​ +
- +
-public class Date { +
- private int year, month, day; +
- +
- public Date(int year, int month, int day) { +
- this.year = year; +
- this.month = month; +
- this.day = day; +
- } +
- +
- // format: YYYY-MM-DD +
- public Date(String str) { +
- String[] parts = str.trim().split("​-"​);​  +
- this.year = Integer.parseInt(parts[0]);​  +
- this.month = Integer.parseInt(parts[1]);​  +
- this.day = Integer.parseInt(parts[2]);​  +
- } +
- +
- public int getYear() { +
- return year; +
- } +
- +
- public void setYear(int year) { +
- this.year = year; +
- } +
- +
- public int getMonth() { +
- return month; +
- } +
- +
- public void setMonth(int month) { +
- this.month = month; +
- } +
- +
- public int getDay() { +
- return day; +
- } +
- +
- public void setDay(int day) { +
- this.day = day; +
- } +
- +
- @Override +
- public boolean equals(Object obj) { +
- if (this == obj) { +
- return true; +
- } +
-  +
- if (obj == null || getClass() != obj.getClass()) { +
- return false; +
- } +
-  +
- Date other = (Date) obj; +
- if (day != other.day || month != other.month || year != other.year) { +
- return false; +
- } +
-  +
- return true; +
- } +
- +
- @Override +
- public String toString() { +
- StringBuilder sb = new StringBuilder();​ +
- +
- sb.append(year);​ +
- if (month < 10) { +
- sb.append("​0"​ + month); +
- } else { +
- sb.append(month);​ +
- } +
- if (day < 10) { +
- sb.append("​0"​ + day); +
- } else { +
- sb.append(day);​ +
- } +
- +
- return sb.toString();​ +
- } +
-} +
-</​file>​ +
- +
-<file java Patent.java>​ +
-package cn.edu.bjut.chapter6;​ +
- +
-import java.util.ArrayList;​ +
-import java.util.Arrays;​ +
-import java.util.LinkedHashSet;​ +
-import java.util.List;​ +
-import java.util.Set;​ +
- +
-public class Patent { +
- private String applicationNo;​  +
- private Date applicationDate;​  +
- private LinkedHashSet<​Ipc>​ ipcs;  +
- private LinkedHashSet<​Cpc>​ cpcs;  +
-  +
- private final static String SEPERATOR = ",";​  +
-  +
- public Patent(String applicationNo,​ Date applicationDate,​ LinkedHashSet<​Ipc>​ ipcs, LinkedHashSet<​Cpc>​ cpcs) { +
- this.applicationNo = applicationNo;​  +
- this.applicationDate = applicationDate;​  +
- this.ipcs = ipcs;  +
- this.cpcs = cpcs;  +
- } +
-  +
- public Patent(String applicationNo,​ Date applicationDate,​ Ipc[] ipcs, Cpc[] cpcs) { +
- this.applicationNo = applicationNo;​  +
- this.applicationDate = applicationDate;​  +
- this.ipcs = new LinkedHashSet<​Ipc>​(Arrays.asList(ipcs));​  +
- this.cpcs = new LinkedHashSet<​Cpc>​(Arrays.asList(cpcs));​  +
- } +
-  +
- public Patent(String applicationNo,​ String applicationDate,​ String multiIpcs, String multiCpcs, char position, char value) { +
- this.applicationNo = applicationNo;​  +
- this.applicationDate = new Date(applicationDate);​  +
-  +
- String[] ipcSymbols = multiIpcs.split(SEPERATOR);​  +
- this.ipcs = new LinkedHashSet<​Ipc>​(ipcSymbols.length);​  +
- for (int i = 0; i < ipcSymbols.length;​ i++) { +
- Ipc ipc = new Ipc(ipcSymbols[i].trim());​  +
- ipcs.add(ipc);​  +
- } +
-  +
- String[] cpcSymbols = multiCpcs.split(SEPERATOR);​  +
- this.cpcs = new LinkedHashSet<​Cpc>​(cpcSymbols.length);​  +
- for (int i = 0; i < cpcSymbols.length;​ i++) { +
- Cpc cpc = new Cpc(cpcSymbols[i].trim(),​ position, value);  +
- cpcs.add(cpc);​  +
- } +
- } +
- +
- public String getApplicationNo() { +
- return applicationNo;​ +
- } +
- +
- public void setApplicationNo(String applicationNo) { +
- this.applicationNo = applicationNo;​ +
- } +
- +
- public Date getApplicationDate() { +
- return applicationDate;​ +
- } +
- +
- public void setApplicationDate(Date applicationDate) { +
- this.applicationDate = applicationDate;​ +
- } +
- +
- public Set<​Ipc>​ getIpcs() { +
- return ipcs; +
- } +
- +
- public void setIpcs(Ipc[] ipcs) { +
- this.ipcs = new LinkedHashSet<​Ipc>​(Arrays.asList(ipcs));​ +
- } +
- +
- public Set<​Cpc>​ getCpcs() { +
- return cpcs; +
- } +
- +
- public void setCpcs(Cpc[] cpcs) { +
- this.cpcs = new LinkedHashSet<​Cpc>​(Arrays.asList(cpcs));​ +
- } +
- +
- @Override +
- public String toString() { +
- StringBuilder sb = new StringBuilder();​  +
-  +
- sb.append(applicationDate + "​\t"​);​  +
-  +
- sb.append("​["​);​  +
- List<​Ipc>​ listIpcs = new ArrayList<​Ipc>​(ipcs);​  +
- for (int i = 0; i < listIpcs.size() - 1; i++) { +
- sb.append(listIpcs.get(i) + SEPERATOR);  +
- } +
- sb.append(listIpcs.get(listIpcs.size() - 1) + "​]\t"​);​  +
-  +
- sb.append("​["​);​  +
- List<​Cpc>​ listCpcs = new ArrayList<​Cpc>​(cpcs);​  +
- for (int i = 0; i < listCpcs.size() - 1; i++) { +
- sb.append(listCpcs.get(i) + SEPERATOR);  +
- } +
- sb.append(listCpcs.get(listCpcs.size() - 1) + "​]"​);​  +
-  +
- return sb.toString();​  +
- } +
-} +
-</​file>​ +
- +
-<file java CorpusList.java>​ +
-package cn.edu.bjut.chapter6;​ +
- +
-import java.util.ArrayList;​ +
-import java.util.List;​ +
-import java.util.Set;​ +
- +
-public class CorpusList { +
- private List<​Patent>​ data;  +
-  +
- public CorpusList() { +
- this.data = new ArrayList<​Patent>​();​  +
- } +
-  +
- public CorpusList(List<​Patent>​ data) { +
- this.data = data;  +
- } +
-  +
- public CorpusList(Patent[] patents) { +
- this();  +
-  +
- for (Patent patent: patents) { +
- data.add(patent);​  +
- } +
- } +
-  +
- public void add(Patent patent) { +
- data.add(patent);​  +
- } +
-  +
- public int size() { +
- return data.size();​  +
- } +
-  +
- public boolean contains(String applicationNo) { +
- if (applicationNo == null || applicationNo.trim().equals(""​)) { +
- return false;  +
- } +
-  +
- for (Patent patent: data) { +
- if (patent.getApplicationNo().equalsIgnoreCase(applicationNo)) { +
- return true;  +
- } +
- } +
-  +
- return false;  +
- } +
-  +
- public boolean contains(Ipc ipc) { +
- if (ipc == null) { +
- return false;  +
- } +
-  +
- for (Patent patent: data) { +
- Set<​Ipc>​ ipcs = patent.getIpcs();​  +
- if (ipcs.contains(ipc)) { +
- return true;  +
- } +
- } +
-  +
- return false;  +
- } +
-  +
- public boolean contains(Cpc cpc) { +
- if (cpc == null) { +
- return false;  +
- } +
-  +
- for (Patent patent: data) { +
- Set<​Cpc>​ cpcs = patent.getCpcs();​  +
- if (cpcs.contains(cpc)) { +
- return true;  +
- } +
- } +
-  +
- return false;  +
- } +
-  +
- public boolean contains(Date applicationDate) { +
- if (applicationDate == null) { +
- return false;  +
- } +
-  +
- for (Patent patent: data) { +
- if (patent.getApplicationDate().equals(applicationDate)) { +
- return true;  +
- } +
- } +
-  +
- return false;  +
- } +
-  +
- public CorpusList find(String applicationNo) { +
- if (applicationNo == null || applicationNo.trim().equals(""​)) { +
- return null;  +
- } +
-  +
- CorpusList corpus = new CorpusList();​  +
-  +
- for (Patent patent: data) { +
- if (patent.getApplicationNo().equalsIgnoreCase(applicationNo)) { +
- corpus.add(patent);​ +
- } +
- } +
-  +
- return corpus.size() == 0? null: corpus; ​  +
- } +
-  +
- public CorpusList find(Ipc ipc) { +
- if (ipc == null) { +
- return null;  +
- } +
-  +
- CorpusList corpus = new CorpusList();​  +
-  +
- for (Patent patent: data) { +
- Set<​Ipc>​ ipcs = patent.getIpcs();​  +
- if (ipcs.contains(ipc)) { +
- corpus.add(patent);​ +
- } +
- } +
-  +
- return corpus.size() == 0? null: corpus;  +
- } +
-  +
- public CorpusList find(Cpc cpc) { +
- if (cpc == null) { +
- return null;  +
- } +
-  +
- CorpusList corpus = new CorpusList();​  +
-  +
- for (Patent patent: data) { +
- Set<​Cpc>​ cpcs = patent.getCpcs();​  +
- if (cpcs.contains(cpc)) { +
- corpus.add(patent);​ +
- } +
- } +
-  +
- return corpus.size() == 0? null: corpus;  +
- } +
-  +
- public CorpusList find(Date applicationDate) { +
- if (applicationDate == null) { +
- return null;  +
- } +
-  +
- CorpusList corpus = new CorpusList();​  +
-  +
- for (Patent patent: data) { +
- if (patent.getApplicationDate().equals(applicationDate)) { +
- corpus.add(patent);​ +
- } +
- } +
-  +
- return corpus.size() == 0? null: corpus; ​  +
- } +
-  +
- public CorpusList remove(String applicationNo) { +
- if (applicationNo == null || applicationNo.trim().equals(""​)) { +
- return this;  +
- } +
-  +
- CorpusList corpus = new CorpusList();​  +
-  +
- for (Patent patent: data) { +
- if (!patent.getApplicationNo().equalsIgnoreCase(applicationNo)) { +
- corpus.add(patent);​ +
- } +
- } +
-  +
- return corpus.size() == 0? null: corpus; ​  +
- } +
-  +
- public CorpusList remove(Ipc ipc) { +
- if (ipc == null) { +
- return this;  +
- } +
-  +
- CorpusList corpus = new CorpusList();​  +
-  +
- for (Patent patent: data) { +
- Set<​Ipc>​ ipcs = patent.getIpcs();​  +
- if (!ipcs.contains(ipc)) { +
- corpus.add(patent); ​   +
- } +
- } +
-  +
- return corpus.size() == 0? null: corpus;  +
- } +
-  +
- public CorpusList remove(Cpc cpc) { +
- if (cpc == null) { +
- return null;  +
- } +
-  +
- CorpusList corpus = new CorpusList();​  +
-  +
- for (Patent patent: data) { +
- Set<​Cpc>​ cpcs = patent.getCpcs();​  +
- if (!cpcs.contains(cpc)) { +
- corpus.add(patent);​ +
- } +
- } +
-  +
- return corpus.size() == 0? null: corpus;  +
- } +
-  +
- public CorpusList remove(Date applicationDate) { +
- if (applicationDate == null) { +
- return this;  +
- } +
-  +
- CorpusList corpus = new CorpusList();​  +
-  +
- for (Patent patent: data) { +
- if (!patent.getApplicationDate().equals(applicationDate)) { +
- corpus.add(patent);​ +
- } +
- } +
-  +
- return corpus.size() == 0? null: corpus; ​  +
- } +
- +
- @Override +
- public String toString() { +
- StringBuilder sb = new StringBuilder();​  +
-  +
- for (Patent patent: data) { +
- sb.append(patent + "​\n"​);​  +
- } +
-  +
- return sb.toString();​  +
- } +
- +
- public static void main(String[] args) { +
- Patent[] patents = new Patent[5];  +
- patents[0] = new Patent("​14725838",​ "​2015-05-29",​ "A23B 5/04, A23B 5/​045",​ "A23B 5/04, A23B 5/45, A23L 15/​20",​ '​F',​ '​I'​);​  +
- patents[1] = new Patent("​14814205",​ "​2015-07-30",​ "A61H 33/00, C01B 33/107, E04B 1/84", "A61H 33/6063, A61H 33/​6042",​ '​F',​ '​I'​);​  +
- patents[2] = new Patent("​15189723",​ "​2016-06-22",​ "D04B 1/00", "​B65H2301/​44514,​ C01B 33/1071, F16F 15/2, H01L 27/​14641",​ '​L',​ '​A'​);​  +
- patents[3] = new Patent("​14711011",​ "​2015-05-13",​ "B32B 17/10, B32B 27/​32",​ "G06F 3/​485",​ '​L',​ '​A'​);​  +
- patents[4] = new Patent("​14515267",​ "​2014-10-15",​ "F16F 15/02, G09G 5/34, G06F 3/​0485",​ "A01B 15/06, A01B 15/​06",​ '​L',​ '​I'​);​  +
-  +
- CorpusList corpus = new CorpusList(patents);​  +
- System.out.println(corpus);​  +
-  +
- CorpusList corpusFound = corpus.find(new Date("​2016-06-22"​));​  +
- System.out.println(corpusFound);​  +
-  +
- CorpusList corpusAfterRemovingIpc = corpus.remove(new Ipc("​F16F 15/​02"​));​ +
- System.out.println(corpusAfterRemovingIpc);​ +
-  +
- CorpusList corpusAfterRemovingCpc =corpus.remove(new Cpc("​A23B 5/04", '​F',​ '​I'​));​ +
- System.out.println(corpusAfterRemovingCpc);​  +
- } +
-} +
-</​file>​ +
- +
-【参考答案三】 +
-<file java Data.java>​ +
-package cn.edu.bjut.chapter6;​ +
- +
-public class Date { +
- private int year, month, day; +
- +
- public Date(int year, int month, int day) { +
- this.year = year; +
- this.month = month; +
- this.day = day; +
- } +
- +
- // format: YYYY-MM-DD +
- public Date(String str) { +
- String[] parts = str.trim().split("​-"​);​  +
- this.year = Integer.parseInt(parts[0]);​  +
- this.month = Integer.parseInt(parts[1]);​  +
- this.day = Integer.parseInt(parts[2]);​  +
- } +
- +
- public int getYear() { +
- return year; +
- } +
- +
- public void setYear(int year) { +
- this.year = year; +
- } +
- +
- public int getMonth() { +
- return month; +
- } +
- +
- public void setMonth(int month) { +
- this.month = month; +
- } +
- +
- public int getDay() { +
- return day; +
- } +
- +
- public void setDay(int day) { +
- this.day = day; +
- } +
- +
- @Override +
- public boolean equals(Object obj) { +
- if (this == obj) { +
- return true; +
- } +
-  +
- if (obj == null || getClass() != obj.getClass()) { +
- return false; +
- } +
-  +
- Date other = (Date) obj; +
- if (day != other.day || month != other.month || year != other.year) { +
- return false; +
- } +
-  +
- return true; +
- } +
- +
- @Override +
- public String toString() { +
- StringBuilder sb = new StringBuilder();​ +
- +
- sb.append(year);​ +
- if (month < 10) { +
- sb.append("​0"​ + month); +
- } else { +
- sb.append(month);​ +
- } +
- if (day < 10) { +
- sb.append("​0"​ + day); +
- } else { +
- sb.append(day);​ +
- } +
- +
- return sb.toString();​ +
- } +
-} +
-</​filie>​ +
- +
-<file java Classification.java>​ +
-package cn.edu.bjut.chapter6;​ +
- +
-public class Classification { +
- protected char section; +
- protected int mainClass;​ +
- protected char subclass; +
- protected int mainGroup;​ +
- protected int subgroup; +
- +
- public final static char SEPARATOR = '/';​ +
- +
- public Classification(char section, int mainClass, char subclass, int mainGroup, int subgroup) { +
- this.section = section; +
- this.mainClass = mainClass;​ +
- this.subclass = subclass; +
- this.mainGroup = mainGroup;​ +
- this.subgroup = subgroup; +
- } +
- +
- // example: G09F 17/30 +
- public Classification(String symbol) { +
- this.section = symbol.charAt(0);​ +
- this.mainClass = Integer.parseInt(symbol.substring(1,​ 3)); +
- this.subclass = symbol.charAt(3);​ +
- +
- int pos = symbol.indexOf(SEPARATOR);​ +
- this.mainGroup = Integer.parseInt(symbol.substring(4,​ pos).trim());​ +
- this.subgroup = Integer.parseInt(symbol.substring(pos + 1)); +
- } +
- +
- public char getSection() { +
- return section; +
- } +
- +
- public void setSection(char section) { +
- this.section = section; +
- } +
- +
- public int getMainClass() { +
- return mainClass;​ +
- } +
- +
- public void setMainClass(int mainClass) { +
- this.mainClass = mainClass;​ +
- } +
- +
- public char getSubclass() { +
- return subclass; +
- } +
- +
- public void setSubclass(char subclass) { +
- this.subclass = subclass; +
- } +
- +
- public int getMainGroup() { +
- return mainGroup;​ +
- } +
- +
- public void setMainGroup(int mainGroup) { +
- this.mainGroup = mainGroup;​ +
- } +
- +
- public int getSubgroup() { +
- return subgroup; +
- } +
- +
- public void setSubgroup(int subgroup) { +
- this.subgroup = subgroup; +
- } +
- +
- @Override +
- public int hashCode() { +
- final int prime = 31; +
- int result = 1; +
-  +
- result = prime * result + mainClass;​ +
- result = prime * result + mainGroup;​ +
- result = prime * result + section; +
- result = prime * result + subclass; +
- result = prime * result + subgroup; +
-  +
- return result; +
- } +
- +
- @Override +
- public boolean equals(Object obj) { +
- if (this == obj) { +
- return true; +
- } +
-  +
- if (obj == null || getClass() != obj.getClass()) { +
- return false; +
- } +
-  +
- Classification other = (Classification) obj; +
- if (mainClass != other.mainClass || mainGroup != other.mainGroup ||  +
- section != other.section || subclass != other.subclass || subgroup != other.subgroup) { +
- return false; +
- } +
-  +
- return true; +
- } +
- +
- @Override +
- public String toString() { +
- StringBuilder sb = new StringBuilder();​ +
- +
- sb.append(section);​ +
- +
- String strMainClass = String.format("​%2s",​ mainClass).replace('​ ', '​0'​);​ +
- sb.append(strMainClass);​ +
- +
- sb.append(subclass);​ +
- +
- String strMainGroup = String.format("​%4s",​ mainGroup);​ +
- sb.append(strMainGroup);​ +
- +
- sb.append(SEPARATOR);​ +
- +
- sb.append(subgroup);​ +
- +
- return sb.toString();​ +
- } +
-} +
-</​file>​ +
- +
-<file java Ipc.java>​ +
-package cn.edu.bjut.chapter6;​ +
- +
-public class Ipc extends Classification { +
-  +
- public Ipc(char section, int mainClass, char subclass, int mainGroup, int subgroup) { +
- super(section,​ mainClass, subclass, mainGroup, subgroup);  +
- } +
-  +
- public Ipc(String symbol) { +
- super(symbol);​  +
- } +
-  +
- public static void main(String[] args) { +
- char section = '​A';​  +
- int mainClass = 4;  +
- char subclass = '​B';​  +
- int mainGroup = 55;  +
- int subgroup = 56;  +
-  +
- Classification ipc = new Ipc(section,​ mainClass, subclass, mainGroup, subgroup);  +
- System.out.println(ipc);​  +
-  +
- String symbol = "G09F 17/​30";​  +
- System.out.println(new Ipc(symbol));​  +
- } +
-} +
-</​file>​ +
- +
-<file java Cpc.java>​ +
-package cn.edu.bjut.chapter6;​ +
- +
-public class Cpc extends Classification { +
- private char position;  +
- private char value;  +
-  +
- public Cpc(char section, int mainClass, char subclass, int mainGroup, int subgroup, char position, char value) { +
- super(section,​ mainClass, subclass, mainGroup, subgroup);  +
-  +
- this.position = position;  +
- this.value = value;  +
- } +
-  +
- public Cpc(String symbol, char position, char value) { +
- super(symbol);​  +
-  +
- this.position = position;  +
- this.value = value;  +
- } +
- +
- public char getPosition() { +
- return position; +
- } +
- +
- public void setPosition(char position) { +
- this.position = position; +
- } +
- +
- public char getValue() { +
- return value; +
- } +
- +
- public void setValue(char value) { +
- this.value = value; +
- } +
- +
- @Override +
- public int hashCode() { +
- final int prime = 31; +
- int result = super.hashCode();​ +
-  +
- result = prime * result + position; +
- result = prime * result + value; +
-  +
- return result; +
- } +
- +
- @Override +
- public boolean equals(Object obj) { +
- if (this == obj) { +
- return true; +
- } +
-  +
- if (!super.equals(obj)) { +
- return false; +
- } +
-  +
- if (getClass() != obj.getClass()) { +
- return false; +
- } +
-  +
- Cpc other = (Cpc) obj; +
- if (position != other.position || value != other.value) { +
- return false; +
- } +
-  +
- return true; +
- } +
-} +
-</​file>​ +
- +
-<file java Patent.java>​ +
-package cn.edu.bjut.chapter6;​ +
- +
-import java.util.ArrayList;​ +
-import java.util.Arrays;​ +
-import java.util.LinkedHashSet;​ +
-import java.util.List;​ +
-import java.util.Set;​ +
- +
-public class Patent { +
- //private String applicationNo;​  +
- private Date applicationDate;​  +
- private LinkedHashSet<​Ipc>​ ipcs;  +
- private LinkedHashSet<​Cpc>​ cpcs;  +
-  +
- private final static String SEPERATOR = ",";​  +
-  +
- public Patent(Date applicationDate,​ LinkedHashSet<​Ipc>​ ipcs, LinkedHashSet<​Cpc>​ cpcs) { +
- this.applicationDate = applicationDate;​  +
- this.ipcs = ipcs;  +
- this.cpcs = cpcs;  +
- } +
-  +
- public Patent(Date applicationDate,​ Ipc[] ipcs, Cpc[] cpcs) { +
- this.applicationDate = applicationDate;​  +
- this.ipcs = new LinkedHashSet<​Ipc>​(Arrays.asList(ipcs));​  +
- this.cpcs = new LinkedHashSet<​Cpc>​(Arrays.asList(cpcs));​  +
- } +
-  +
- public Patent(String applicationDate,​ String multiIpcs, String multiCpcs, char position, char value) { +
- this.applicationDate = new Date(applicationDate);​  +
-  +
- String[] ipcSymbols = multiIpcs.split(SEPERATOR);​  +
- this.ipcs = new LinkedHashSet<​Ipc>​(ipcSymbols.length);​  +
- for (int i = 0; i < ipcSymbols.length;​ i++) { +
- Ipc ipc = new Ipc(ipcSymbols[i].trim());​  +
- ipcs.add(ipc);​  +
- } +
-  +
- String[] cpcSymbols = multiCpcs.split(SEPERATOR);​  +
- this.cpcs = new LinkedHashSet<​Cpc>​(cpcSymbols.length);​  +
- for (int i = 0; i < cpcSymbols.length;​ i++) { +
- Cpc cpc = new Cpc(cpcSymbols[i].trim(),​ position, value);  +
- cpcs.add(cpc);​  +
- } +
- } +
- +
- public Date getApplicationDate() { +
- return applicationDate;​ +
- } +
- +
- public void setApplicationDate(Date applicationDate) { +
- this.applicationDate = applicationDate;​ +
- } +
- +
- public Set<​Ipc>​ getIpcs() { +
- return ipcs; +
- } +
- +
- public void setIpcs(Ipc[] ipcs) { +
- this.ipcs = new LinkedHashSet<​Ipc>​(Arrays.asList(ipcs));​ +
- } +
- +
- public Set<​Cpc>​ getCpcs() { +
- return cpcs; +
- } +
- +
- public void setCpcs(Cpc[] cpcs) { +
- this.cpcs = new LinkedHashSet<​Cpc>​(Arrays.asList(cpcs));​ +
- } +
- +
- @Override +
- public String toString() { +
- StringBuilder sb = new StringBuilder();​  +
-  +
- sb.append(applicationDate + "​\t"​);​  +
-  +
- sb.append("​["​);​  +
- List<​Ipc>​ listIpcs = new ArrayList<​Ipc>​(ipcs);​  +
- for (int i = 0; i < listIpcs.size() - 1; i++) { +
- sb.append(listIpcs.get(i) + SEPERATOR);  +
- } +
- sb.append(listIpcs.get(listIpcs.size() - 1) + "​]\t"​);​  +
-  +
- sb.append("​["​);​  +
- List<​Cpc>​ listCpcs = new ArrayList<​Cpc>​(cpcs);​  +
- for (int i = 0; i < listCpcs.size() - 1; i++) { +
- sb.append(listCpcs.get(i) + SEPERATOR);  +
- } +
- sb.append(listCpcs.get(listCpcs.size() - 1) + "​]"​);​  +
-  +
- return sb.toString();​  +
- } +
-} +
-</​file>​ +
- +
-<file java Corpus.java>​ +
-package cn.edu.bjut.chapter6;​ +
- +
-import java.util.HashMap;​ +
-import java.util.HashSet;​ +
-import java.util.Map;​ +
-import java.util.Set;​ +
- +
-public class Corpus { +
- private Map<​String,​ Patent> data;  +
-  +
- public Corpus() { +
- this.data = new HashMap<​String,​ Patent>​();​  +
- } +
-  +
- public Corpus(Map<​String,​ Patent> data) { +
- this.data = data;  +
- } +
-  +
- public void add(String applicationNo,​ Patent patent) { +
- if (applicationNo == null || applicationNo.trim().equals(""​)) { +
- return;  +
- } +
-  +
- data.put(applicationNo.trim().toUpperCase(),​ patent);  +
- } +
-  +
- public int size() { +
- return data.size();​  +
- } +
-  +
- public boolean contains(String applicationNo) { +
- if (applicationNo == null || applicationNo.trim().equals(""​)) { +
- return false;  +
- } +
-  +
- return data.containsKey(applicationNo.trim().toUpperCase());​  +
- } +
-  +
- public boolean contains(Ipc ipc) { +
- if (ipc == null) { +
- return false;  +
- } +
-  +
- for (Patent patent: data.values()) { +
- Set<​Ipc>​ ipcs = patent.getIpcs();​  +
- if (ipcs.contains(ipc)) { +
- return true;  +
- } +
- } +
-  +
- return false;  +
- } +
-  +
- public boolean contains(Cpc cpc) { +
- if (cpc == null) { +
- return false;  +
- } +
-  +
- for (Patent patent: data.values()) { +
- Set<​Cpc>​ cpcs = patent.getCpcs();​  +
- if (cpcs.contains(cpc)) { +
- return true;  +
- } +
- } +
-  +
- return false;  +
- } +
-  +
- public boolean contains(Date applicationDate) { +
- if (applicationDate == null) { +
- return false;  +
- } +
-  +
- for (Patent patent: data.values()) { +
- if (patent.getApplicationDate().equals(applicationDate)) { +
- return true;  +
- } +
- } +
-  +
- return false;  +
- } +
-  +
- public Corpus find(String applicationNo) { +
- if (!contains(applicationNo)) { +
- return null;  +
- } +
-  +
- Map<​String,​ Patent> subData = new HashMap<​String,​ Patent>​();​  +
-  +
- String applicationNoAfter = applicationNo.trim().toUpperCase();​  +
- subData.put(applicationNoAfter,​ data.get(applicationNoAfter));​  +
-  +
- return new Corpus(subData);​  +
- } +
-  +
- public Corpus find(Ipc ipc) { +
- if (!contains(ipc)) { +
- return null;  +
- } +
-  +
- Map<​String,​ Patent> subData = new HashMap<​String,​ Patent>​();​  +
-  +
- for (Map.Entry<​String,​ Patent> entry: data.entrySet()) { +
- Set<​Ipc>​ ipcs = entry.getValue().getIpcs();​  +
- if (ipcs.contains(ipc)) { +
- subData.put(entry.getKey(),​ entry.getValue());​  +
- } +
- } +
-  +
- return new Corpus(subData);​  +
- } +
-  +
- public Corpus find(Cpc cpc) { +
- if (!contains(cpc)) { +
- return null;  +
- } +
-  +
- Map<​String,​ Patent> subData = new HashMap<​String,​ Patent>​();​  +
-  +
- for (Map.Entry<​String,​ Patent> entry: data.entrySet()) { +
- Set<​Cpc>​ cpcs = entry.getValue().getCpcs();​  +
- if (cpcs.contains(cpc)) { +
- subData.put(entry.getKey(),​ entry.getValue());​  +
- } +
- } +
-  +
- return new Corpus(subData);​  +
- } +
-  +
- public Corpus find(Date applicationDate) { +
- if (!contains(applicationDate)) { +
- return null;  +
- } +
-  +
- Map<​String,​ Patent> subData = new HashMap<​String,​ Patent>​();​  +
-  +
- for (Map.Entry<​String,​ Patent> entry: data.entrySet()) { +
- Date date = entry.getValue().getApplicationDate();​  +
- if (date.equals(applicationDate)) { +
- subData.put(entry.getKey(),​ entry.getValue());​  +
- } +
- } +
-  +
- return new Corpus(subData);​  +
- } +
-  +
- public void remove(String applicationNo) { +
- if (!contains(applicationNo)) { +
- return;  +
- } +
-  +
- data.remove(applicationNo.trim().toUpperCase());​  +
- } +
-  +
- public void remove(Ipc ipc) { +
- if (!contains(ipc)) { +
- return;  +
- } +
-  +
- Set<​String>​ keys = new HashSet<​String>​();​  +
- for (Map.Entry<​String,​ Patent> entry: data.entrySet()) { +
- Set<​Ipc>​ ipcs = entry.getValue().getIpcs();​  +
- if (ipcs.contains(ipc)) { +
- keys.add(entry.getKey());​  +
- } +
- } +
-  +
- for (String key: keys) { +
- data.remove(key);​  +
- } +
- } +
-  +
- public void remove(Cpc cpc) { +
- if (!contains(cpc)) { +
- return;  +
- } +
-  +
- Set<​String>​ keys = new HashSet<​String>​();​  +
- for (Map.Entry<​String,​ Patent> entry: data.entrySet()) { +
- Set<​Cpc>​ cpcs = entry.getValue().getCpcs();​  +
- if (cpcs.contains(cpc)) { +
- keys.add(entry.getKey());​  +
- } +
- } +
-  +
- for (String key: keys) { +
- data.remove(key);​  +
- } +
- } +
-  +
- public void remove(Date applicationDate) { +
- if (!contains(applicationDate)) { +
- return;  +
- } +
-  +
- Set<​String>​ keys = new HashSet<​String>​();​  +
- for (Map.Entry<​String,​ Patent> entry: data.entrySet()) { +
- Date date = entry.getValue().getApplicationDate();​  +
- if (date.equals(applicationDate)) { +
- keys.add(entry.getKey());​  +
- } +
- } +
-  +
- for (String key: keys) { +
- data.remove(key);​  +
- } +
- } +
- +
- @Override +
- public String toString() { +
- StringBuilder sb = new StringBuilder();​  +
-  +
- for (Map.Entry<​String,​ Patent> entry: data.entrySet()) { +
- sb.append(entry.getKey() + "​\t"​ + entry.getValue() + "​\n"​);​  +
- } +
-  +
- return sb.toString();​  +
- } +
- +
- public static void main(String[] args) { +
- Corpus corpus = new Corpus();  +
-  +
- corpus.add("​14725838",​ new Patent("​2015-05-29",​ "A23B 5/04, A23B 5/​045",​ "A23B 5/04, A23B 5/45, A23L 15/​20",​ '​F',​ '​I'​));​ +
- corpus.add("​14814205",​ new Patent("​2015-07-30",​ "A61H 33/00, C01B 33/107, E04B 1/84", "A61H 33/6063, A61H 33/​6042",​ '​F',​ '​I'​));​ +
- corpus.add("​15189723",​ new Patent("​2016-06-22",​ "D04B 1/00", "​B65H2301/​44514,​ C01B 33/1071, F16F 15/2, H01L 27/​14641",​ '​L',​ '​A'​));​  +
- corpus.add("​14711011",​ new Patent("​2015-05-13",​ "B32B 17/10, B32B 27/32, F16F 15/​02",​ "G06F 3/​485",​ '​L',​ '​A'​));​  +
- corpus.add("​14515267",​ new Patent("​2014-10-15",​ "F16F 15/02, G09G 5/34, G06F 3/​0485",​ "A01B 15/06, A01B 15/​06",​ '​L',​ '​I'​));​  +
-  +
- System.out.println(corpus);​  +
-  +
- corpus.remove(new Ipc("​F16F 15/​02"​));​ +
- System.out.println(corpus);​ +
-  +
- corpus.remove(new Cpc("​A23B 5/04", '​F',​ '​I'​));​ +
- System.out.println(corpus);​  +
- } +
-} +
-</​file>​+
  
  
 [[zh:​courses:​java2025:​index|返回Java课程页]] [[zh:​courses:​java2025:​index|返回Java课程页]]
  
-~~DISCUSSION~~+~~DISCUSSION:closed~~
  
zh/courses/java2025/ch06.1742733194.txt.gz · 最后更改: 2025/03/23 20:33 由 pzczxs

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