方法重写与成员变量覆盖演示

package _5_2;

 

public class OverrideTest {

public static void main(String args[]) {

SuperCla sp = new SuperCla();

SubCla sb = new SubCla();

sp.show();

System.out.println("In super Class:a=" + sb.a);

sb.show();

System.out.println("In sub Class:a=" + sb.a);

}

}

package _5_2;

 

public class SuperCla {

int a=3,b=4;

void show() {

System.out.println("super result="+(a+b));

}

}

class SubCla extends SuperCla{

int a=10;

void show() {

int c=a*b;

System.out.println("sub result="+c);

}

}