Include as a comment at the beginning of your source code:
Include any comments within your source code to clarify your logic in the cases where this is necessary.
1. Include floppy diskette with .JAVA and .CLASS files.
2. sample output for each activity (screen capture)
DUE DATE: next class
Write a program using JOptionPane that will read in two integers and output their sum, difference, and product.
Write a program using JOptionPane that reads a line of text and then outputs that line of text first in all uppercase letters and then in all lowercase letters.