newfeaturehashmap.java

来自「sample code 333 for J2SE project」· Java 代码 · 共 16 行

package ex;
import java.util.HashMap;
import java.util.Iterator;
public class NewFeatureHashMap {
	public static void main(String[] args) {
	HashMap<String, Integer> hm = new HashMap<String, Integer>();
	hm.put("abc", new Integer(111));
	hm.put("def", new Integer(222));
	Iterator<String> it = hm.keySet().iterator();
	while (it.hasNext()) {
	String strKey = it.next();
	int iValue = hm.get(strKey).intValue();
	System.out.println(strKey + "," + iValue);
	}
	}
	}