Learn how to use Java annotations to associate metadata with classes, methods, and other application elements in your Java programs. There are times when you need to associate metadata, or data ...

And finally, exceptions enable return codes to be used for something useful–namely returning a data item. Astute readers will note that in Java, null is frequently used as a return value to ...

The statement evaluated in the body of the Java ternary operator cannot return void. For example, the following code places a print statement after question mark, and causes a compile error: Type ...