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  • 软件测试作业2

    package unit2;

    public class main {
    public static void main(String[] args) {
    // TODO Auto-generated method stub
    text1 t1 = new text1();
    t1.run();
    text2 t2 = new text2();
    t2.run();
    }
    }

    package unit2;

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

    public class test1 {
    public void run(){
    // TODO Auto-generated method stub
    Scanner sca = new Scanner(System.in);
    System.out.println("请输入:");
    String str = sca.nextLine();
    String[] str1 = str.split(" ");
    Map map = new HashMap<String,Integer>();
    for(int c = 0;c<str1.length;c++)
    {
    if(map.containsKey(str1[c]))
    {
    int d = (Integer)map.get(str1[c]);
    map.put(str1[c],d+1);
    }
    else
    {
    map.put(str1[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");

    }

    }

    }

    package unit2;

    import java.util.Scanner;

    public class test2 {
    public void run(){
    // TODO Auto-generated mrethod stub
    Scanner sca = new Scanner(System.in);
    System.out.println("请输入:");
    String str = sca.nextLine();
    String[] str1 = str.split(" ");
    StringBuffer sb = new StringBuffer();
    for(int d=str1.length-1;d>=0;d--)
    {
    sb.append(str1[d]+" ");
    }
    System.out.println(sb);

    }
    public void run(){
    // TODO Auto-generated mrethod stub
    Scanner sca = new Scanner(System.in);
    System.out.println("请输入:");
    String str = sca.nextLine();
    String[] str1 = str.split(" ");
    StringBuffer a = new StringBuffer();
    for(int d=str1.length-1;d>=0;d--)
    {
    a.append(str1[d]+" ");
    }
    System.out.println(a);

    }
    }

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  • 原文地址:https://www.cnblogs.com/zlqzlq/p/5323104.html
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