Apache Struts, the web application framework, helps developers get Java web apps up and running in next to no time, using a Model-View-Controller framework. One important part of creating a great ...

Learn everything you need to throw, try, catch, and clean up after Java exceptions in your programs.

Java exception handling with stack traces, exception chaining, try-with-resources, final re-throw, and StackWalker.

Ever come across the null pointer exception in Java? We explain what this error message means, why it happens, and how to avoid the billion-dollar mistake.