Map范例

import java.util.*;

public class TestMap
{
public static void main(String [] args)
{
HashMap<String,Integer>scores=new HashMap<String,Integer>();
scores.put("Kathy",42);
scores.put("Bert",343);
scores.put("Skyler",420);
System.out.println(scores);
System.out.println(scores.get("Bert"));

}
}