Code of stack

#include "stack.h"

Stack::Stack()
{
	topIndex=-1;
}
void Stack::push(StackElementType item)
{
	++topIndex;
	assert(topIndex < maxStackSize);
	stackArray[topIndex]=item;
}

StackElementType Stack::pop()
{
  assert(topIndex>=0);
  int returnIndex(topIndex);
  --topIndex;
  return stackArray[returnIndex];
}

bool Stack::isEmpty()
{
	return topIndex==-1;
}

#include "stack.h"

Stack::Stack()
{
	topIndex=-1;
}
void Stack::push(StackElementType item)
{
	++topIndex;
	assert(topIndex < maxStackSize);
	stackArray[topIndex]=item;
}

StackElementType Stack::pop()
{
  assert(topIndex>=0);
  int returnIndex(topIndex);
  --topIndex;
  return stackArray[returnIndex];
}

bool Stack::isEmpty()
{
	return topIndex==-1;
}