Map.Entry鏄疢ap鎺ュ彛涓殑涓€涓唴閮ㄦ帴鍙ｏ紝瀹冭〃绀篗ap涓殑涓€涓敭鍊煎銆傚彲浠ラ€氳繃璋冪敤Map鐨別ntrySet()鏂规硶鑾峰緱Map涓墍鏈夌殑閿€煎锛岃繑鍥炰竴涓猄et闆嗗悎锛屽叾涓瘡涓厓绱犻兘鏄竴涓狹ap.Entry瀵硅薄銆?/p>

涓嬮潰鏄娇鐢∕ap.Entry鐨勭ず渚嬩唬鐮侊細

import java.util.HashMap;
import java.util.Map;
public class Main {
public static void main(String[] args) {
// 鍒涘缓涓€涓狹ap
Map<String, Integer> map = new HashMap<>();
map.put("apple", 1);
map.put("banana", 2);
map.put("orange", 3);
// 閬嶅巻Map涓殑閿€煎
for (Map.Entry<String, Integer> entry : map.entrySet()) {
String key = entry.getKey();
Integer value = entry.getValue();
System.out.println(key + " -> " + value);
}
}
}

杈撳嚭缁撴灉涓猴細

apple -> 1
banana -> 2
orange -> 3

鍦ㄤ笂杩颁唬鐮佷腑锛岄鍏堝垱寤轰簡涓€涓狧ashMap瀵硅薄锛屽苟鍚戝叾涓坊鍔犱簡涓変釜閿€煎銆傜劧鍚庨€氳繃璋冪敤entrySet()鏂规硶鑾峰緱Map涓墍鏈夌殑閿€煎锛岃繑鍥炰竴涓猄et闆嗗悎銆傛帴涓嬫潵浣跨敤澧炲己for寰幆閬嶅巻Set闆嗗悎涓殑姣忎釜鍏冪礌锛屾瘡涓厓绱犻兘鏄竴涓狹ap.Entry瀵硅薄銆傞€氳繃璋冪敤Map.Entry鐨刧etKey()鏂规硶鍜実etValue()鏂规硶鍙互鍒嗗埆鑾峰緱閿拰鍊笺€傛渶鍚庡皢閿拰鍊兼墦鍗板嚭鏉ャ€?/p>