import org.apache.commons.collections4.stack.ArrayStack;
public class StackExample {
public static void main(String[] args) {
ArrayStack<String> stack = new ArrayStack<>(5);
while (!stack.isEmpty()) {
System.out.println(stack.pop());
}
}
}
import org.apache.commons.collections4.queue.CircularFifoQueue;
public class QueueExample {
public static void main(String[] args) {
CircularFifoQueue<String> queue = new CircularFifoQueue<>(5);
while (!queue.isEmpty()) {
System.out.println(queue.poll());
}
}
}
