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 ...

The Java ternary operator provides an abbreviated syntax to evaluate a true or false condition, and return a value based on the Boolean ... operator example above could just have easily been written ...

Note: The code source for the examples in this article can be downloaded from Resources. Design by Contract. ... The expression after the @pre is a Java Boolean expression. Postconditions.

Good programmers need to create code that efficiently solves problems, using various methods. A popular academic exercise is to create a program that determines if a number or String is a palindrome.