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class A { public void show() { show2(); } public void show2() { System.out.println("我"); } } class B extends A { public void show2() { System.out.println("爱"); } } class C extends B { public void show() { super.show(); } public void show2() { System.out.println("你"); } } public class Test { public static void main(String[] args) { A a = new B(); a.show(); B b = new C(); b.show(); } } |