Using the Math Class

Introducing the Math class

As discussed in the previous unit, classes are grouped in a package. Java provides a built-in class, known as the Math class. It is a part of the java.lang package. Thus, the fully qualified class name is java.lang.Math. This class only contains static methods.

Calling a static method

Remember that the static methods are called using the . operator, along with the class name unless they are defined in the enclosing class.

Consider the executable below.