鍦↗ava涓紝鍙互浣跨敤鍏抽敭瀛?code>interface鏉ュ畾涔夋帴鍙ｃ€傛帴鍙ｅ彲浠ュ寘鍚父閲忓拰鎶借薄鏂规硶锛屽苟涓斾笉鑳藉寘鍚疄渚嬪彉閲忓拰闈炴娊璞℃柟娉曘€?/p>

涓嬮潰鏄畾涔夋帴鍙ｇ殑璇硶锛?/p>

public interface 鎺ュ彛鍚?{
    // 甯搁噺澹版槑
    // 鎶借薄鏂规硶澹版槑
}

鍦ㄦ帴鍙ｄ腑锛屽彲浠ュ０鏄庡父閲忓拰鎶借薄鏂规硶锛屼絾鏄笉鑳芥湁鏂规硶浣撱€傚父閲忓湪鎺ュ彛涓粯璁ゆ槸public static final绫诲瀷鐨勶紝鑰屾娊璞℃柟娉曞湪鎺ュ彛涓粯璁ゆ槸public abstract绫诲瀷鐨勩€?/p>

渚嬪锛屽畾涔変竴涓悕涓?code>Animal鐨勬帴鍙ｏ紝鍏朵腑鍖呭惈涓€涓父閲忓拰涓€涓娊璞℃柟娉曪細

public interface Animal {
    int LEGS = 4; // 甯搁噺澹版槑

    void sound(); // 鎶借薄鏂规硶澹版槑
}

鍙﹀锛屾帴鍙ｈ繕鍙互缁ф壙鍏朵粬鎺ュ彛锛屼娇鐢ㄥ叧閿瓧extends锛屽苟涓斿彲浠ュ悓鏃剁户鎵垮涓帴鍙ｃ€傝娉曞涓嬶細

public interface 瀛愭帴鍙ｅ悕 extends 鐖舵帴鍙ｅ悕1, 鐖舵帴鍙ｅ悕2, ... {
    // 甯搁噺澹版槑
    // 鎶借薄鏂规硶澹版槑
}

渚嬪锛屽畾涔変竴涓悕涓?code>Walkable鐨勬帴鍙ｏ紝缁ф壙鑷?code>Animal鎺ュ彛锛?/p>

public interface Walkable extends Animal {
    void walk();
}

鎺ュ彛鍙互琚被瀹炵幇锛屼娇鐢ㄥ叧閿瓧implements銆備竴涓被鍙互瀹炵幇澶氫釜鎺ュ彛锛屽疄鐜版帴鍙ｇ殑绫诲繀椤诲疄鐜版帴鍙ｄ腑鐨勬墍鏈夋娊璞℃柟娉曘€傝娉曞涓嬶細

public class 绫诲悕 implements 鎺ュ彛鍚?span class="hljs-number">1, 鎺ュ彛鍚?span class="hljs-number">2, ... {
    // 绫荤殑瀹炵幇
}

渚嬪锛屽畾涔変竴涓悕涓?code>Dog鐨勭被锛屽疄鐜颁簡Animal鎺ュ彛鍜?code>Walkable鎺ュ彛锛?/p>

public class Dog implements Animal, Walkable {
    public void sound() {
        System.out.println("姹豹");
    }

    public void walk() {
        System.out.println("鍥涙潯鑵胯蛋璺?quot;);
    }
}

杩欐牱锛?code>Dog绫诲氨瀹炵幇浜?code>Animal鎺ュ彛鍜?code>Walkable鎺ュ彛涓殑鎵€鏈夋娊璞℃柟娉曘€?/p>