class Apr12 {
	public static void main(String[] args) {
	
		Bar b1 = new Bar();	
		Bar b2 = new Bar();	

		b1.foo();
		b2.foo();

		System.out.println("b2.x: " + b2.x);
		b1.x = 7;
		System.out.println("b2.x: " + b2.x);

		System.out.println(Bar.x);

		//Bar.y = 3;
		System.out.println(Bar.y);
	}

}