Implement Stack for the Text Editor

Our approach to implementing the stack for our text editor project

To implement the undo functionality for the text editor, we will reuse the same Stack class that we implemented in the previous lesson—with few changes. Earlier, we were directly storing the elements in the stack, but now we will store an integer value from 0 or 1. A value of 0 will denote that we are inserting characters in the stack, and 1 will denote that we have removed the characters by pressing the backspace button. This differentiation of the operations will help us in implementing the undo functionality properly, because we need to track ...