This post explains how to use if statements in Java. Discover why flow control is so important, and how to use advanced keywords like "and" and "else." ...

When developing Java applications, it is easy to get used to invoking logging on the provided logger via its log level-specific methods.

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

A method might accept a specific type and its subclasses, but you want to restrict usage to a select few implementations of your own design. Java's open inheritance model can feel like an open ...