软件测试作业2

public class main {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
            text a = new text();
            a.run();
            text2 b = new text2();
            b.run();
    }

}

import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;


public class text {

    /**
     * @param args
     */
    public void run(){
        // TODO Auto-generated method stub
            //String a = "Hello World My First Unit Test";
            Scanner stdin = new Scanner(System.in); 
            System.out.println("请输入:");
            String a = stdin.nextLine();
            String[] b = a.split(" ");
            Map map = new HashMap<String,Integer>();       
            for(int c = 0;c<b.length;c++)
            {
                if(map.containsKey(b[c]))
                {
                    int d = (Integer)map.get(b[c]);
                    map.put(b[c],d+1);
                }
                else
                {
                    map.put(b[c],1);
                }
            }
            for(Object obj : map.keySet()){

                Object value = map.get(obj );

                }


            for(Object obj : map.keySet())
            {
                System.out.println(obj.toString()+"出现了"+map.get(obj)+"次");

            }


    }

}

import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;


public class text2 {

    /**
     * @param args
     */
    public void run(){
        // TODO Auto-generated mrethod stub
        //String a = "how are you";
        Scanner stdin = new Scanner(System.in); 
        System.out.println("请输入:");
        String a = stdin.nextLine();

        String[] b = a.split(" ");
        StringBuffer c = new StringBuffer();
        for(int d=b.length-1;d>=0;d--)
        {
            c.append(b[d]+" ");
        }
        System.out.println(c);
        
    }

}