public static void main(String[] args) {
int tankCount = 0;
MyContainer<AbstractTank> container1 = new MyContainer<AbstractTank>();
container1.addItem(new FlyingTank(++tankCount, Color.BLACK, 100));
container1.addItem(new SwimmingTank(++tankCount, Color.RED, 100));
MyContainer<String> container2 = new MyContainer<String>();
container2.addItem("Hello");
container2.addItem("Sam hello");
}
