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

Then there’s the NullPointerException. Null pointer exception is an “exception” (error) that is particularly common when programming in Java.

Some exceptions in Java must be handled in the developer's code. Other exceptions can occur without any exception handling semantics at all. When an exception must be handled with try-and-catch ...

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