下列代码运行显示什么? class Parent{ private void method1(){ System.out.println("Parent's method1"); } public void method2(){ System.out.println("Parent's method2"); method1(); } } class Child extends Parent{ public void method1(){ System.out.println("Child's method1()"); } public static void main(String args[]){ Parent p = new Child(); p.method2(); } }