Class MysteryStackImplementation<T>

java.lang.Object
  MysteryStackImplementation<T>

Type Parameters:

T - The type of data that the stack stores.

All Implemented Interfaces:

Stack<T>

public class MysteryStackImplementation<T>
extends java.lang.Object
implements Stack<T>

An implementation of the Stack ADT.

Constructor Summary

MysteryStackImplementation()
Default constructor: creates an empty stack.

Method Summary

void	clear() Removes all items from the stack.
boolean	isEmpty() Returns true if the stack is empty.
static void	main(java.lang.String[] args)
T	peek() Return the top item from the stack but don't remove it.
T	pop() Remove the top item from the stack and return it.
void	push(T item) Store an item in the stack.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MysteryStackImplementation

public MysteryStackImplementation()

Default constructor: creates an empty stack.

Method Detail

push

public void push(T item)

Store an item in the stack.

Specified by:

push in interface Stack<T>

Parameters:

item - The item to add.

pop

public T pop()

Remove the top item from the stack and return it.

Specified by:

pop in interface Stack<T>

Returns:

the item at the top of the stack, or null if empty.

peek

public T peek()

Return the top item from the stack but don't remove it.

Specified by:

peek in interface Stack<T>

Returns:

the item at the top of the stack, or null if empty.

isEmpty

public boolean isEmpty()

Description copied from interface: Stack

Returns true if the stack is empty.

Specified by:

isEmpty in interface Stack<T>

clear

public void clear()

Description copied from interface: Stack

Removes all items from the stack.

Specified by:

clear in interface Stack<T>

main

public static void main(java.lang.String[] args)