If it is unsuccessful, then you will have the option to reroute your code while also making a note of the exception. This happens in the “catch” block. Try catch Java example ...

Java projects rarely feature a consistent and thorough exception-handling strategy. Often, developers add the mechanism as an afterthought or an as-you-go addition. Significant reengineering ...

Java developers learn to rely on their compilers to catch assignments to incorrect types, calls of nonexistent methods and—this article's topic—incorrect exception handling.

This cheat sheet, from Princeton University's Introduction to Programming in Java course, makes a great reference for the basics you need to know, like structure, input/output, data types, and ...