Package com.machconsulting.math

Class Stack

java.lang.Object

com.machconsulting.math.Stack

public class Stack
extends java.lang.Object

Permissive LIFO Stack

Author:

Mike Hansen Implementation of a permissive stack. Pulling too much pulls zeros. Limit of positive integer size for items in the stack.
push - puts numbers into the stack.
pop - pops numbers off of the stack LIFO

Constructor Summary

Constructors

Constructor	Description
Stack()

Method Summary

Modifier and Type	Method	Description
double	getNum(int idx)	Get the value of something on the stack by index
int	getStackSize()	Get count of variables in the stack
double	pop()	Pop off the last entry from the stack.
void	push(double num)	Push a new entry into the stack.
void	setNum(int idx, double num)	Set a particular value into the stack.
java.lang.String	toString()	Get list of values in the stack.

Methods inherited from class java.lang.Object

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

Constructor Detail

Stack

public Stack()

Method Detail

getNum

public double getNum(int idx)

Get the value of something on the stack by index

Parameters:

idx -

Returns:

value

getStackSize

public int getStackSize()

Get count of variables in the stack

Returns:

count

toString

public java.lang.String toString()

Get list of values in the stack.

Overrides:

toString in class java.lang.Object

Returns:

list

pop

public double pop()

Pop off the last entry from the stack.

Returns:

value

push

public void push(double num)

Push a new entry into the stack.

Parameters:

num -

setNum

public void setNum(int idx,
                   double num)

Set a particular value into the stack. If the index number does not exist the entry goes to bit heaven.

Parameters:

idx -

num -