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("//////////////////////////////////////////");
 }
}

http://blog.chinaunix.net/u/23464/showart_171114.html