The debugger is a powerful tool, which lets you find bugs a lot faster by providing an insight into the internal operations of a program. For example, a subtle logic error, which happened early in the program may not manifest itself until very late, and sometimes it is a real challenge to sort things out. However, there are errors which can be very tricky and take really long to find and fix. Another easy case is when the error can be quickly identified by looking at the stack trace, which helps you figure out where the error occurred. Some of them are easy to catch, like syntax errors, because they are taken care of by the compiler.
There are different kinds of errors, which you are going to deal with. What Is Debugging?īroadly, debugging is the process of detecting and correcting errors in a program. Seems like you have errors in your code and it’s time to debug it. For example, it returns a wrong value or crashes with an exception. Let's imagine you have discovered that it functions not the way you expected. You have created and run your Java application. Tutorial: Debug your first Java application
