public class StackTester {

    public static void main(String[] args) {
        System.out.println("Stack tester.");

        Stack myStack = new Stack();

        System.out.println(myStack.getCapacity());

        try {
            myStack.push(1);
            myStack.push(2);
            myStack.push(3);
            myStack.push(4);
            myStack.push(5);
            myStack.push(6);
        } catch (Exception ex) {
            System.out.println("Caught exception: " + ex.getMessage());
        }

        System.out.println(myStack.isEmpty());

        try {
            System.out.println(myStack.pop());
            System.out.println(myStack.pop());
            System.out.println(myStack.pop());
            System.out.println(myStack.pop());
            System.out.println(myStack.pop());
            System.out.println(myStack.pop());
        } catch (Exception ex) {
            System.out.println("Caught exception: " + ex.getMessage());
        }

        System.out.println(myStack.isEmpty());
    }
}