Write a HelloWorld program that takes in command line parameters to determine what should be printed. The program usage is as follows:
-g A compulsory parameter which denotes a greeting such as Hello, or Hi
HelloWorld -g Hello -n Parag
HelloWorld -g Hello
Should print the usage string
If any of the arguments are not provided, the program should abort with a usage string.
Describe what you did, including any problems you may have faced, and how you overcame them, in a blog post.
Leave a comment here after completing the task.