对HashMap的循环迭代

package hashmap;

import java.util.Iterator;
import java.util.Map;
import java.util.HashMap;
import java.util.ArrayList;

/**
* TODO 对HashMap的迭代
* @author fxfeng
* @create 2005-12-20
*/
public class HashMapTest {

private static Map temp = new HashMap();

public static void main(String[] args) {
   // TODO Auto-generated method stub
   for(int i=0; i<10; i++){
    String str = "string" + i;
    temp.put(new Integer(i), str);
   }
   if(temp.containsKey(new Integer(5))){
    System.out.println("Contains!");
   }else{
    System.out.println("No contains!");
   }
   System.out.println("/////////////////////////////////////////");
   for(Iterator it = temp.entrySet().iterator(); it.hasNext(); ){
    Map.Entry e = (Map.Entry)it.next();
    System.out.println("key: " + e.getKey());
    System.out.println("value: " + e.getValue());
   }
   System.out.println("//////////////////////////////////////////");
}
}