class Ctor2 {
public int x = 1;
public String y = null;
public Ctor2() {
x = 2;
}
public Ctor2(int arg) {
x = arg;
}
public Ctor2(String arg) {
y = arg;
}
public static void main(String[] args) {
Ctor2 t1 = new Ctor2();
System.out.println(t1.x);
Ctor2 t2 = new Ctor2(3);
System.out.println(t2.x);
Ctor2 t3 = new Ctor2("notnull");
System.out.println(t3.x);
System.out.println(t3.y);
}
}