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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); }
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();
}
}
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原文地址：http://www.cnblogs.com/westflies/p/5322726.html
