鍦↗ava涓紝鎶借薄绫绘槸鐢ㄦ潵瀹氫箟涓€缁勭浉鍏崇被鐨勫叡鍚岀壒寰佸拰琛屼负鐨勩€傛娊璞＄被涓嶈兘琚疄渚嬪寲锛屽彧鑳借缁ф壙銆?/p>

瑕佸畾涔変竴涓娊璞＄被锛岄渶瑕佸湪绫荤殑澹版槑鍓嶅姞涓婂叧閿瓧"abstract"銆備緥濡傦細

abstract class Animal {
// 鎶借薄绫诲彲浠ュ寘鍚櫘閫氭柟娉?/span>
public void eat() {
System.out.println("Animal is eating");
}
// 鎶借薄鏂规硶娌℃湁鍏蜂綋鐨勫疄鐜帮紝鍙湁鏂规硶鐨勫０鏄?/span>
public abstract void sound();
}

鎶借薄鏂规硶鏄湪鎶借薄绫讳腑澹版槑浣嗘病鏈夊叿浣撳疄鐜扮殑鏂规硶锛岄渶瑕佸湪瀛愮被涓繘琛屽疄鐜般€傚瓙绫诲繀椤诲疄鐜版娊璞＄被涓殑鎵€鏈夋娊璞℃柟娉曪紝闄ら潪瀛愮被鑷繁涔熸槸涓€涓娊璞＄被銆備緥濡傦細

class Cat extends Animal {
// 瀛愮被瀹炵幇鎶借薄鏂规硶
public void sound() {
System.out.println("Cat is meowing");
}
}
class Dog extends Animal {
// 瀛愮被瀹炵幇鎶借薄鏂规硶
public void sound() {
System.out.println("Dog is barking");
}
}

鐒跺悗鍙互鍒涘缓瀛愮被鐨勫疄渚嬶紝骞惰皟鐢ㄥ叾鏂规硶锛?/p>

public class Main {
public static void main(String[] args) {
Animal cat = new Cat();
cat.eat();
cat.sound();  // 杈撳嚭锛欳at is meowing
Animal dog = new Dog();
dog.eat();
dog.sound();  // 杈撳嚭锛欴og is barking
}
}

鍊煎緱娉ㄦ剰鐨勬槸锛屽鏋滀竴涓被缁ф壙浜嗘娊璞＄被浣嗘病鏈夊疄鐜板叾涓殑鎵€鏈夋娊璞℃柟娉曪紝閭ｄ箞璇ョ被涔熷繀椤诲０鏄庝负鎶借薄绫汇€傝繖鏍风殑绫讳笉鑳界洿鎺ュ疄渚嬪寲锛屽彧鑳借鍏朵粬绫荤户鎵裤€?/p>