11 Math Class Method

In this video, I will show you how to use the Java Math class and its methods to perform various mathematical operations and calculations. The Java Math class is a part of the java.lang package and it provides several methods for working with numbers, such as finding the minimum, maximum, absolute value, square root, power, logarithm, trigonometric functions, and more. The Math class is a final class, which means it cannot be inherited by other classes. It also does not have a constructor, so you cannot create an object of the Math class. Instead, you can access its methods directly by using the class name Math followed by a dot and the method name. For example, to find the maximum of two numbers x and y, you can write Math.max (x, y). The Math class methods can accept and return different types of values, such as double, float, int, and long. Some methods can also take more than one argument, such as Math.pow (x, y), which returns x raised to the power of y. To use the Math class methods in your Java program, you need to import the java.lang.Math class at the beginning of your code. Alternatively, you can use the fully qualified name of the class every time you call a method, such as java.lang.Math.sqrt (x). However, this is not recommended as it makes your code less readable and more verbose. In the following sections, I will demonstrate how to use some of the most common and useful Math class methods with examples. You can also find a complete list of all Math class methods in the reference link