Answer the following questions on a sheet of paper and bring it with you to your lab section. 1. What is the purpose of the main method in a Java program? 2. What are the steps for creating a directory from the command-line? 3. What are the steps for creating, compiling and running a Java program from the command-line? 4. What is a variable? 5. How do you declare and initialize variable? 6. Given a number of hours, minutes and seconds, what is the mathematical equation you would use to determine the total number of seconds? For example, 1 hour, 30 minutes, and 3 seconds is equal to 5403 seconds