// iv2

class Test {
    int x;
    int y = x;
    Test(int x) {
        this.x = x;
    }
    void print1() {
        System.out.println("IV x: " + x);
        System.out.println("IV y: " + y);
    }    
    void print2() {
	int x;       // x is local -- has no default value!
	// int y=x;  // can't use y until x has a value
        System.out.println("IV x: " + this.x); // IV x
	// can't access variables until they have values
        // System.out.println("IV x: " + x);      // local x
        // System.out.println("IV y: " + y);      // local y
    }    
    void print3() {
	int x=y;
        System.out.println("IV y: " + y);
        System.out.println("IV y: " + this.y);
	int y=x;
        System.out.println("IV y: " + y);
        System.out.println("IV y: " + this.y);
    }    
}

public class iv2 {
    public static void main(String[] args) {
        Test t = new Test(1);
        t.print1();
        t.print2();
        t.print3();
    }
}