hashmap例子

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

public class Test
{
    public static void main(String args[]) throws Exception
    {
        HashMap<String, String> map = new HashMap();
        
        map.put("aaa", "aaaaaaaaa");
        map.put("bbb", "bbbbbbbbb");

        Set<Map.Entry<String, String>> set = map.entrySet();

        Iterator<Map.Entry<String, String>> t = set.iterator();
        while (t.hasNext())
        {
            Map.Entry<String, String> entry = t.next();
            System.out.println(entry.getKey() + " " + entry.getValue());
        }
    }
}