class Ctor1 {

public Ctor1() {

System.out.println("Ctor1()");

}

public Ctor1(int arg) {

System.out.println("Ctor1(int)");

}

public Ctor1(String arg) {

System.out.println("Ctor1(String)");

}

public static void main(String[] args) {

Ctor1 t1 = new Ctor1();

Ctor1 t2 = new Ctor1(3);

Ctor1 t3 = new Ctor1("notnull");

}

}