1 reply to this topic

[toto_7]

Hello,

I need to create 20 objects of Class B, using while loop in class A. In class B i have a variable that should increment each time an object is created, how i should build class B's cunstractor so each time that variable increase and not become zero?

[ZekeDragon]

You'd use a static value, and increment that. Remember that this could cause problems with multithreading, so I suggest you use the AtomicInteger object instead of just a raw int.

import java.util.concurrent.atomic.AtomicInteger;


public class SomeClass

{

    private static AtomicInteger counter = new AtomicInteger();


    public SomeClass()

    {

        int objectNum = counter.getAndIncrement();

        // Do whatever it is you do.

    }

}