You may then be asked to reboot your computer. The execution threads, call stack, and variables are easily viewable during each step. The Debugger provides a seamless way for users to examine their programs step by step. A box will appear, click Yes to continue uninstalling the software. The Integrated Debugger works in conjunction with the CSD window, UML window, and the Object Workbench. If you have the full JDK installed, you may need to change your PATH to correct this. Let’s use the following sample code to demonstrate: package com. Go to Start -> Control Panel -> Add or Remove Programs and click on the version of the JDK you want to uninstall. November 4th, 2007, 05:52 PM Secondly, when I try to debug I get this error message and debugging doesn't work: It appears you are running jgrasp under the JRE (not JDK), or a version of Java that does not support integrated debugging. jGRASP is implemented in Java, and thus, runs on all platforms with a Java Virtual Machine. Go to the Java Control Panel / Java / Java Runtime Settings / View / User / Runtime Parameters And add the options to enable debugging. Starting a debugger for a console application is simple. jGRASPis a full-featured medium-weight integrated development environment, created specifically to provide visualizations for improving the comprehensibility of the software. Put a breakpoint inside a loop to view every iteration. Put a breakpoint before and after every loop. Have a breakpoint any time you change the value of a variable. Let’s take our first steps into the world of debugging and see what this tool is capable of. Watching for Access General Debugging Strategies Put a breakpoint before and after where you think the problem is. With a debugger, you also have the power to change and test the behavior of your code without modifying the source, and do a lot of other interesting things too. Open debugger canvas in new window Variables from the original debug tab can be dragged to this window. It lets you review and analyze the inner state of your application and find and fix bugs that may be hidden deep within your code. If you’ve ever used () to debug your code, this post is a must-read.Ī debugger is a special tool that you can use to execute your code in a strictly controlled environment. One way to do this is to press Cmd+Space, type 'jGRASP', and press Enter: If jGRASP opens successfully, then youre all set However, if you see the following error: then you dont have the JDK installed.
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