PS: Please answer number 1 with the subparts as they go altogether.
1.    Develop your own program (any old, submitted program is ok to use) and place it in your GIT repository. 
       a.    Steps begin with the installation of GIT repository 
       b.    Include snapshots of (at least 3) performed GIT commands in your program
       c.    Provide brief explanation of each command below its snapshot 

23. Write a program which takes the average of all of the non-negative command line arguments and then prints the result. Your program must call the methods you wrote in the previous questions. For example, if someone runs the program by typing run Midterm 5 6 10 0 -4 into Dr. Java (or java Midterm 5 6 10 0 - 4 from the command line), your program should print 5.25. You may assume that the person running your program types in integers as command line arguments and also that at least one of the numbers typed at the command prompt is non-negative.

I need help solving these questions for my software class:

True/False Section (1 point each) 1. If you only expect numbers as command line arguments, you can change public static void main(String[] args) to public static void main (double[] args) and run the program.