Assume You Are at the Operating System Command Line and Want

Multiple Choice

Assume you are at the operating system command line and want to use the following command to compile a program:
javac MyClass.java
Before entering the command you must

A) close all open windows on your computer system
B) make sure you are in the same directory or folder where the MyClass.java file is located
C) execute the java.sun.com program
D) save the program with the .comp extension