public char pop()
	{
		try{
			if(this.isEmpty())
				throw new StackEmptyException();
			
			char cBlock = this.acStack[this.iTop];
			this.acStack[this.iTop--] = '$';// Leave prev. value undefined
			
			accessCount++;
			
			return cBlock;
		}
		catch(StackEmptyException e){
			System.out.println(e.getMessage());
			return '$';
		}
		
	}