Problem:
Question 1- Implement a class called ReverseWords that uses a stack to output a set of elements input by the user in reverse order. You must use a stack to reverse the characters of each word. Use the package provided for you with these requirements to complete this work. Document if there is any pre or post conditions for your method(s). Include data validation of some form in your code.
Question 2- Create a graphical application StackDemoGUI that provides a button for push and pop from a stack, a text field to accept a string as input for push, and a text area to display the contents of the stack after each operation.
Write the code step by step and explain it.