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problem with obj creation

1 reply on 1 page. Most recent reply: Dec 26, 2005 1:00 AM by Tapan kumar Rath

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prithvi venigalla

Posts: 1
Nickname: puddu
Registered: Dec, 2005

problem with obj creation Posted: Dec 25, 2005 12:02 AM
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I have compiled the following program ,

public class A{
A a=new A();
public static void main(String args[]){
A b=new A();
}
}

and i compiled it with out any problem.While running it
i am getting a infinite loop and stackOverFlowError.
Why i am getting infinite loop.


Tapan kumar Rath

Posts: 18
Nickname: papuni
Registered: Sep, 2005

Re: problem with obj creation Posted: Dec 26, 2005 1:00 AM
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Instance variables are always initialized when object is created.So creating the same object as instance variable triggers an infinite loop.Same happens if you put the line
within a constructor.It doesn't matter if starting point for object creation is within main method of the same class or in another class.Below I am giving an illustration
public class A{
	public static int a1=1;
	A(){
		if(a1>=5)System.exit(1);
		a1++;
		System.out.println(a1);
		A a=new A();
	}
	public static void main(String args[]){
		A b=new A();
	}
}

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