public class Test {

   int counter = 0;
    public static void main(String[] args) {
        int count = 0;
        Test [] m4a = new Test[20]; // make an array
        int x = 0;
        while (x < 20) { // loop x is 0 to 19
          // so we do this 20 times
            m4a[x] = new Test(); // make an instance an dput in array
            m4a[x].counter = m4a[x].counter +1; // the counter field
            // of this instance is now 1

            count = count +1 ; // increment count by 1 (adds a total of 20)
            count = count + m4a[x].maybeNew(x); // and maybe
            // maybe is 1 for x 0 to 4 - so add in a total of 5

            x=x+1;



        }
        System.out.println(count + "" + "\t" + m4a[1].counter);
        // outputs 25 1

    }
        public int maybeNew(int index){
            if(index<5){ // so if x is 0 to 4 - that is, 5 times
                Test m4 = new Test(); // this is pointless
                // m4 is a local variable, created on teh stack, and
                // disappears at the endo f this method
                m4.counter = m4.counter + 1;
                return 1; // so we return 1 if index is 0 to 4
            }
            return 0; // otherwise return 0
        }
}