HashMapçç»ææ¯<key, value>
æ³è¦ç§»é¤æ个å
ç´ ï¼åªè¦ç§»é¤æ个keyä¸é¢çvalueå³å¯ã
å¦ï¼
package yiibai.com;
import java.util.*;
public class HashMapDemo {
public static void main(String args[]) {
// æé hashmap
HashMap newmap = new HashMap();
// ç»hashmapèµå¼
newmap.put(1, "tutorials");
newmap.put(2, "point");
newmap.put(3, "is best");
System.out.println("Values before remove: "+ newmap);
// 移é¤key为2çvalue
newmap.remove(2);
System.out.println("Values after remove: "+ newmap);
}
}
温馨提示:答案为网友推荐,仅供参考