java.util
public class Stack<T> extends Vector<T>
capacityIncrement, elementCount, elementData
modCount
Constructor and Description |
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Stack()
This constructor creates a new Stack, initially empty
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Modifier and Type | Method and Description |
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boolean |
empty()
Tests if the stack is empty.
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T |
peek()
Returns the top Object on the stack without removing it.
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T |
pop()
Pops an item from the stack and returns it.
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T |
push(T item)
Pushes an Object onto the top of the stack.
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int |
search(Object o)
Returns the position of an Object on the stack, with the top
most Object being at position 1, and each Object deeper in the
stack at depth + 1.
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add, add, addAll, addAll, addElement, capacity, clear, clone, contains, containsAll, copyInto, elementAt, elements, ensureCapacity, equals, firstElement, get, hashCode, indexOf, indexOf, insertElementAt, isEmpty, lastElement, lastIndexOf, lastIndexOf, remove, remove, removeAll, removeAllElements, removeElement, removeElementAt, removeRange, retainAll, set, setElementAt, setSize, size, subList, toArray, toArray, toString, trimToSize
iterator, listIterator, listIterator
finalize, getClass, notify, notifyAll, wait, wait, wait
iterator, listIterator, listIterator
public Stack()
public T push(T item)
item
- the Object to push onto the stackVector.addElement(Object)
public T pop()
EmptyStackException
- if the stack is emptypublic T peek()
EmptyStackException
- if the stack is emptypublic boolean empty()