package task1;
/**
* Stack 实现
*/
public class MyStack<T> {
private MyLinkedList<T> elementData = new MyLinkedList<T>();
public void push(T o) {
elementData.addFirst(o);
}
public T pop() {
return elementData.removeFirst();
}
public T peek() {
return elementData.get(0);
}
public boolean isEmpty() {
return elementData.size() == 0;
}
public int size() {
return elementData.size();
}
}