* contain _escaped_fragment_, it is not modified. – Error is an illegal operation performed by the user which results in the abnormal working of the program. By now, you’ve probably seen a few errors, either when compiling or running your code like * contain _escaped_fragment_, it is not modified.. It can be frustrating, but they can also give you a lot of information about exactly how you can fix the problems in your code about and . In this post covers the types of errors you’ll see when programming in Java, and how to fix them. Don’t pay any attention to the number of errors. Just read the first error message and work on fixing that error.