编辑代码

public class Main {
    public static void main(String[] args) {
        B b = new B();
        b.func1(); // 输出 "B's func"
    }
}

class A {
    void func() {
        System.out.println("A's func");
    }
}

class B extends A {
    void func1() {
        System.out.println("B's func1");
        func();
    }
}

class C extends B {
    void func() {
        System.out.println("C's func");
    }   
}