class Top
{
public Top(){}
public Top(String s)
{
System.out.println(s);
}
}
public class Button2 extends Top
{
Button2 c= new Button2("A");
public Button2(String s)
{
super(s);
System.out.println("D");
}
public ststic void main(String args[])
{
Button2 b= new Button2("R");
}
}//end of class

its coming infinite loop and terminating itself saying heap overload in ecclipse......but according to me the output should be RAD...please clarify