Summing Three Numbers from a File and Encryption

Implement the two programs that solve the two tasks below. Your submission should be only JAVA source files (no output screen pictures) a) First, create a file in Notepad containing three integers separated by some whitespace. Save it as "3nums.txt" in the same folder as your code. Example of notepad

Then write a program that reads three integers from the file 3nums.txt and displays (on the screen) the total of the integers.