鍦↗ava涓紝ConcurrentHashMap鏄竴涓嚎绋嬪畨鍏ㄧ殑鍝堝笇琛ㄥ疄鐜帮紝瀹冩彁渚涗簡姣擧ashMap鏇村ソ鐨勫苟鍙戞€ц兘銆備笅闈㈡槸涓€涓畝鍗曠殑绀轰緥锛屾紨绀轰簡濡備綍浣跨敤ConcurrentHashMap锛?/p>

import java.util.concurrent.ConcurrentHashMap;

public class ConcurrentHashMapExample {
    public static void main(String[] args) {
        ConcurrentHashMap<String, Integer> map = new ConcurrentHashMap<>();

        // 娣诲姞鍏冪礌
        map.put("A", 1);
        map.put("B", 2);
        map.put("C", 3);

        // 鑾峰彇鍏冪礌
        System.out.println("Value of key A: " + map.get("A"));

        // 閬嶅巻鍏冪礌
        map.forEach((key, value) -> {
            System.out.println(key + " : " + value);
        });

        // 浣跨敤compute鏂规硶鏇存柊鍏冪礌
        map.compute("A", (key, value) -> value * 10);
        System.out.println("Value of key A after compute: " + map.get("A"));

        // 浣跨敤remove鏂规硶鍒犻櫎鍏冪礌
        map.remove("B");
        System.out.println("Value of key B after remove: " + map.get("B"));

        // 妫€鏌ュ厓绱犳槸鍚﹀瓨鍦?/span>
        System.out.println("Is key C present? " + map.containsKey("C"));
    }
}

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闇€瑕佹敞鎰忕殑鏄紝ConcurrentHashMap鏄嚎绋嬪畨鍏ㄧ殑锛屾墍浠ュ涓嚎绋嬪彲浠ュ悓鏃跺鍏惰繘琛岃鍐欐搷浣滆€屼笉浼氫骇鐢熷啿绐併€傚洜姝わ紝ConcurrentHashMap闈炲父閫傚悎鍦ㄥ绾跨▼鐜涓嬩娇鐢ㄣ€?/p>