package cn.edu.bjut.chapter2;

public class WhileExample {
	public static void main(String[] args) {
		String copyFromMe = "Copy every letter until you encounter 'u'."; // 给定字符串
		StringBuffer copyToMe = new StringBuffer(); // 创建一个空的串变量
		int i = 0;
		char c = copyFromMe.charAt(i); // 该串变量的第一个字符赋给c
		while (c != 'u') {
			copyToMe.append(c);
			c = copyFromMe.charAt(++i);
		}
		System.out.println(copyToMe);
	}
}