package cn.edu.bjut.textmining.chapter2;

import java.util.Arrays;
import java.util.List;

public class StringBuilderDemo {
    public static void main(String[] args) {
        List<String> lines = Arrays.asList("Text", "mining", "with", "Java");
        
        String content = "";
        for (String line : lines) {
            content += line + " "; 
        }
        System.out.println(content.trim());

        StringBuilder buffer = new StringBuilder();
        for (String line : lines) {
            buffer.append(line).append(" ");
        }
        String finalContent = buffer.toString().trim();
        System.out.println(finalContent);
        
        String joinedContent = String.join(" ", lines); 
        System.out.println(joinedContent);
    }
}