鍦↗ava涓紝Map鏄竴绉嶇敤浜庡瓨鍌ㄩ敭鍊煎鐨勬暟鎹粨鏋勩€傚畠鎻愪緵浜嗗揩閫熸煡鎵惧拰璁块棶鐨勮兘鍔涳紝鍏朵腑姣忎釜閿兘鏄敮涓€鐨勩€?/p>

浠ヤ笅鏄娇鐢∕ap鐨勪竴浜涘父瑙佹搷浣滐細

1. 鍒涘缓Map瀵硅薄锛?/li>

Map<String, Integer> map = new HashMap<>();

2. 娣诲姞閿€煎锛?/li>

map.put("key1", 1);
map.put("key2", 2);

3. 鑾峰彇閿搴旂殑鍊硷細

Integer value = map.get("key1");

4. 鍒ゆ柇鏄惁鍖呭惈鏌愪釜閿細

boolean containsKey = map.containsKey("key1");

5. 鍒ゆ柇鏄惁鍖呭惈鏌愪釜鍊硷細

boolean containsValue = map.containsValue(1);

6. 绉婚櫎閿€煎锛?/li>

map.remove("key1");

7. 鑾峰彇鎵€鏈夌殑閿細

Set<String> keys = map.keySet();

8. 鑾峰彇鎵€鏈夌殑鍊硷細

Collection<Integer> values = map.values();

9. 閬嶅巻Map锛?/li>

for (Map.Entry<String, Integer> entry : map.entrySet()) {
String key = entry.getKey();
Integer value = entry.getValue();
// 澶勭悊姣忎釜閿€煎
}

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