package Hello;
public class Hello {
public static void main(String[] args) {
A ab = new B();
ab = new B();
}
}
class A{
static{
System.out.print("1");
}
public A(){
System.out.print("2");
}
}
class B extends A{
static{
System.out.print("a");
}
public B(){
System.out.print("b");
}
}