com.marringtons.number
Class IntegerStack

java.lang.Object
  com.marringtons.number.IntegerStack

public class IntegerStack

extends Object

This is an implement a stack for integer primatives.

 stack = new IntegerStack();
 stack.push( 1);
 stack.isEmpty() == false;
 stack.size() == 1;
 stack.push( 2);
 stack.peek() == 2;
 stack.pop() == 2;
 stack.peek() == 1;
 stack.clear();
 stack.isEmpty() == true;
 int[] stackArray = stack.getStack();
 

Author:

Paul Marrington

Constructor Summary

IntegerStack()

Method Summary

void	clear() Empty stack - releasing all references.
boolean	isEmpty() Check to see if the stack has entries.
int	peek() Return the string on the top of the stack (without changint the stack pointer).
int	pop() Pop a string from the stack.
void	push(int item) Push a string onto the stack (enlarging it if necessary).
int	size() Find out how many entries are on the stack.

Methods inherited from class java.lang.Object

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

Constructor Detail

IntegerStack

public IntegerStack()

Method Detail

push

public void push(int item)

Push a string onto the stack (enlarging it if necessary).

Parameters:

item - to push

pop

public int pop()

Pop a string from the stack.

Returns:

most recently added item or null if stack is empty

peek

public int peek()

Return the string on the top of the stack (without changint the stack pointer).

Returns:

most recently added item or null if stack is empty

size

public int size()

Find out how many entries are on the stack.

Returns:

the number if items on the stack.

isEmpty

public boolean isEmpty()

Check to see if the stack has entries.

Returns:

true if the stack is empty.

clear

public void clear()

Empty stack - releasing all references.