package cn.edu.bjut.chapter4;

class ClassA {
	int a = 20; 
}

class ClassB extends ClassA {
	int a = 30; 
	public void print() {
		System.out.println(a + "\t" + super.a);
	}
}

public class PropertyHiddenTester {
	public static void main(String[] args) {
		ClassB classB = new ClassB(); 
		classB.print();
	}
}