遍历 HashMap简单的方式

/**
 * @author Bo年再无木小白
 * @date   2013-11-07
 */
import java.util.HashMap;
import java.util.Iterator;
import java.util.Set;
public class HashSetTest {
	public static void main(String[] args) {
		HashMap map = new HashMap();
		map.put("a", "aa");
		map.put("b", "bb");
		map.put("c", "cc");
		map.put("d", "dd");
		map.put("e", "ee");
		Set set = map.keySet();
		for(Iterator itr=set.iterator();itr.hasNext();){
			String value =(String) itr.next();
			String key = (String)map.get(value);
			System.out.println(value+"="+key); 
		 }
	}
}