package rd222dv_assign1.intCollection; public class CollectionMain { public static void main(String[] args) { ArrayIntList list = new ArrayIntList(); System.out.println("List: "); list.add(1); list.add(3); list.add(8); list.add(7); list.add(3); System.out.println(list); System.out.println("Index of 7 at pos: "+list.indexOf(7)); list.addAt(9,2); System.out.println(list); System.out.println("List is empty: " + list.isEmpty()); System.out.println("Index of 7 at pos: "+list.indexOf(7)); list.remove(3); System.out.println("Remove int from index 3: "+list); ArrayIntStack stack = new ArrayIntStack(); System.out.println("Stack: "); stack.push(1); // pushing elements to the stack stack.push(3); stack.push(8); // Peek at the top of the stack. System.out.println("Top of stack: " + stack.peek()); // Pop the stack and display the result. System.out.println("Popping this element: " + stack.pop()); //????????? // Pop again. System.out.println("Popping this element: " + stack.pop()); System.out.println("Stack Size: " + stack.size()); System.out.println("Top of stack: " + stack.peek()); System.out.println("Stack is empty: " + stack.isEmpty()); } }