com.google.gwt.dev.util.collect

Class Stack<T>

java.lang.Object

com.google.gwt.dev.util.collect.Stack<T>

Type Parameters:

T - the value type

All Implemented Interfaces:

Iterable<T>

public final class Stack<T>
extends Object
implements Iterable<T>

A Stack based on ArrayList. Unlike ArrayDeque, this one allows null values.

Constructor Summary

Constructors

Constructor and Description
Stack()

Method Summary

Modifier and Type	Method and Description
boolean	contains(T element) Returns true if the stack contains element, false otherwise.
static <T> Stack<T>	create() Creates a new Stack for type T.
boolean	isEmpty() Returns true if the stack is empty false otherwise.
Iterator<T>	iterator()
T	peek() Returns the top of the stack.
T	peekAt(int index) Returns the element at location index (from bottom of stack).
T	pop() Returns the top of the stack and removes it.
List<T>	pop(int count) Pops count elements from the stack and returns them as a list with to top of the stack last.
void	push(T value)
int	size() Returns the number of elements in the stack (including pushed nulls).

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, toString

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

Stack

public Stack()

Method Detail

size

public int size()

Returns the number of elements in the stack (including pushed nulls).

contains

public boolean contains(T element)

Returns true if the stack contains element, false otherwise.

isEmpty

public boolean isEmpty()

Returns true if the stack is empty false otherwise.

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface Iterable<T>

peek

public T peek()

Returns the top of the stack.

peekAt

public T peekAt(int index)

Returns the element at location index (from bottom of stack).

pop

public T pop()

Returns the top of the stack and removes it.

Returns:

pop

public List<T> pop(int count)

Pops count elements from the stack and returns them as a list with to top of the stack last.

push

public void push(T value)

create

public static <T> Stack<T> create()

Creates a new Stack for type T.