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

Java Exceptions When a program calls a method that behaves in an unexpected fashion, it is said to have encountered an "exception." ...

Errors, exceptions, and exception handling Nothing is worse than software that crashes. Java provides a method for handling software errors through what ...

Null pointer exception is an “exception” (error) that is particularly common when programming in Java. For a beginner, this is a confusing and daunting message to receive, but it can be just ...

You don’t need to compile your Java code. Java programs will run without a main method. Semicolons can be optional. Hundreds of extra classes are imported automatically. Exception handling is optional ...

Use Java assertions to test your assumptions about program correctness and check them in your code.