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java瀛愮被鎬庝箞璁块棶鐖剁被鎴愬憳

扬州沐宇科技
2023-11-20 20:15:18
Java

鍦↗ava涓紝瀛愮被鍙互閫氳繃浣跨敤鍏抽敭瀛?code>super鏉ヨ闂埗绫荤殑鎴愬憳銆備互涓嬫槸涓€浜涚ず渚嬶細

  1. 璁块棶鐖剁被鐨勬柟娉曪細
public class Parent {
    public void print() {
        System.out.println("Parent class");
    }
}

public class Child extends Parent {
    public void printChild() {
        super.print(); // 璋冪敤鐖剁被鐨刾rint鏂规硶
        System.out.println("Child class");
    }
}

public class Main {
    public static void main(String[] args) {
        Child child = new Child();
        child.printChild(); // 杈撳嚭锛歅arent class  Child class
    }
}
  1. 璁块棶鐖剁被鐨勫睘鎬э細
public class Parent {
    protected int age;

    public Parent(int age) {
        this.age = age;
    }
}

public class Child extends Parent {
    public Child(int age) {
        super(age); // 璋冪敤鐖剁被鐨勬瀯閫犳柟娉?/span>
    }

    public void printAge() {
        System.out.println("Age: " + super.age); // 璁块棶鐖剁被鐨刟ge灞炴€?/span>
    }
}

public class Main {
    public static void main(String[] args) {
        Child child = new Child(10);
        child.printAge(); // 杈撳嚭锛欰ge: 10
    }
}

鍦ㄥ瓙绫讳腑浣跨敤super鍏抽敭瀛楀彲浠ヨ闂埗绫荤殑鎴愬憳锛屼絾鏄渶瑕佹敞鎰忕殑鏄紝鐖剁被鐨勬垚鍛樺繀椤诲叿鏈?code>public鎴?code>protected鐨勮闂慨楗扮锛屾垨鑰呭瓙绫诲拰鐖剁被鍦ㄥ悓涓€涓寘涓€傚鏋滅埗绫荤殑鎴愬憳鍏锋湁private鐨勮闂慨楗扮锛屽瓙绫诲皢鏃犳硶璁块棶銆?/p>

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