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);

}
}