class A {
    /* field */
	private int i = 13;

    /* parameterless constructor */
	A() {}

	/* overloading constructor */
	A(int i) {
		this.i = i;
	}

    /* methods */
	void printI() {
		System.out.println(i);
	}

	final void printYo() {          // final - cannot override
		System.out.println("yo");
	}	

	@Override
	public String toString() {
		return "" + i;
	}
	
}