class SubClass extends SuperClass {

	private int field1;             // overriding SuperClass' field1 field

	SubClass(int x) {
		super(x);                   // calling SuperClass' constructor
		this.field1 = x * 2;
		System.out.println("SubClass' constructor");
	}

	@Override                       // overriding SuperClass' getField1 method
	public int getField1() {
		return field1;
	}
}