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karunakar
java
2 Answer(s)      3 years and 5 months ago
Posted in : Java Interview Questions


write a java program to restrict an user to create only 2 objects for a class


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June 23, 2011 at 12:03 PM


class MyClassException extends Exception { //User def exception } class Demo { private static int status=0;

public Demo() throws MyClassException
{
    status++;
    if(status == 2)
        throw new MyClassException();
}

} public class RefExample { public static void main(String args[]) { try { Demo D1=new Demo(); System.out.println("Successful creating first object"); Demo D2=new Demo(); System.out.println("Successful creating second object"); } catch (MyClassException e1) { System.err.println("Cann't create More than Two object"); } catch (Exception e2) { System.err.println("Error : occured"); } }

}



June 23, 2011 at 12:07 PM


In each constructor u should define that condition .... which I defined for default constructor
Rember it...



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