©TCP-tryJAVA

class Parent {
	int a = 10;
}

class Child extends Parent {
	int a = 20;
	
	void display() {
		System.out.println(a);
		System.out.println(this.a);
		System.out.println(super.a);
	}
}

public class prog {
	public static void main(String[] args) {
		Child ch = new Child();
		ch.display();
	}
}