A good answer might be:

If so, you can still use these notes.

Commercial Java Software

If you have installed a commercial version of the Java software (such as JBuilder or Symantec Cafe) you will have a better environment than the one assumed here; read your software's documentation on how to use it. As part of your commercial software, you will probably automatically have the Java tools discussed in this chapter, so you can do exactly what is described in this chapter.

QUESTION 5:

Can the processor of a computer system directly execute source programs written in Java?