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 ...

Using generics results in more robust code and avoids ClassCastExceptions in your Java programs ... because the stored integer cannot be cast to a string. You could prevent such a violation ...

Properties and methods make Java classes interesting. Properties represent the data an object possesses ... public class Point { int x; int y; } For a user of this class to set the x and y value of ...