An explanation for the output, please...

= public class QueueLinkedTest { 7 public static void main(String[] args) { 5 Queue q = new Queue(); 4 int i, j; for(i = 1; i 0; j -= 2) 4 { 7 q.addQueue (i * j % 7 + 3); 8 if(i * j % 3 == 0) q.deleteQueue(); 9 else if (i * j % 3 1) System.out.println(q.getFront() + " "); else System.out.println(q.getRear() + " "); NON + N 000 ) == } while(!q.isEmpty()) { System.out.println(q.getFront() + " "); q.deleteQueue(); } }