Java™ for Programmers: Deitel Developer Series, Second Edition

Appendix F. Using the Debugger

And so shall I catch the fly.

—William Shakespeare

We are built to make mistakes, coded for error.

—Lewis Thomas

What we anticipate seldom occurs; what we least expect generally happens.

—Benjamin Disraeli

Objectives

In this appendix you’ll learn:

• To set breakpoints to debug applications.

• To use the run command to run an application through the debugger.

• To use the stop command to set a breakpoint.

• To use the cont command to continue execution.

• To use the print command to evaluate expressions.

• To use the set command to change variable values during program execution.

• To use the step, step up and next commands to control execution.

• To use the watch command to see how a field is modified during ...