class Parent{    int num = 8;// ->3    Parent(){       //super();  // ->2       //显示初始化   // ->3	   //构造代码段   // ->4	   show(); // ->5	}		{//  ->4	    System.out.println("Parent constructor code run->");	}	    public void show(){//被覆盖	    System.out.println("num = " + num);	}}class Child extends Parent{    int num = 9;// ->6		Child(){	     super();// ->1	     //显示初始化  ->6		 //构造代码段  ->7	     num = 10; // ->8		 System.out.println("after Child constructor code && Child constructor num = " + num);// ->9	}		{// ->7	   System.out.println("Child constructor code run->");	   System.out.println("after Child constructor num = " + num);	} 		public void show(){	    System.out.println("num = " + num);	}}public class PC{     public static void main(String[] args){	     new Child();	 }}