namelist.java

java应用举例1

import java.util.*;
import java.io.*;
public class NameList {
	public static void main(String args[]) throws IOException{
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		String	nameList = new String("");
		while(true){                                                    //无限循环
			System.out.println("请输入姓名集合");
			nameList = in.readLine();                                   //接受用户输入
			if((nameList == null) || nameList.equals("exit")) {
				break;
			}
			StringTokenizer  token = new StringTokenizer(nameList,", ");//由逗号或空格做分隔符
			int  cnt = token.countTokens();
			int  inx = 0;
			String name[] = new String[cnt];
			while(token.hasMoreTokens()) {
				name[inx] = token.nextToken();                          //存入字符串数组
				inx++;
			}
			System.out.println("     ******姓名列表******     ");
			for(int i=0;i<cnt;i++) {
				String head = new String("");
				String tail = new String("");
				head = name[i].substring(0,1);
				tail = name[i].substring(1,name[i].length());
				head=head.toUpperCase();                                //姓名的首位转为大写
				head=head.concat(tail);                                 //首尾字符串相连
				name[i] = head;
				System.out.println((i+1) + " : " + name[i]);
			}
		}
	}
}