Table of Contents
Thanks to the math
package, Java provides a lot of useful methods for mathematical calculations.
One of the most common operations is exponentiation.
In this post, we'll learn how to use the pow
method of the Math
class to calculate the power of a number in Java.
How to calculate the power of a number in Java
As mentioned before, the Math
class provides a pow
method to calculate the power of a number.
The pow
method takes two parameters:
a
- the baseb
- the exponent
That means that the pow
method calculates the power of a
to the power of b
.
Let's see how to use it to calculate squaring the number 5
:
JAVAdouble result = Math.pow(5, 2);
System.out.println(result);
BASH25.0
The result is given in the double
type.
If you need it as an int
, you can cast it:
JAVAint result = (int) Math.pow(5, 2);
System.out.println(result);
BASH25
Keep in mind that the base and exponent can be a double
as well:
JAVAdouble result = Math.pow(5.5, 2);
System.out.println(result);
BASH30.25
Conclusion
In this post, we learned how to use the pow
method of the Math
class to calculate the power of a number in Java.
Simply pass it the base
and the exponent
and it will return the result.
Thanks for reading!
- How to Install Node on Windows, macOS and Linux
- Managing PHP Dependencies with Composer
- Getting Started with Svelte
- Git Tutorial: Learn how to use Version Control
- How to deploy a PHP app using Docker
- How to deploy an Express app using Docker
- How to Scrape the Web using Node.js and Puppeteer
- Build a Real-Time Chat App with Node, Express, and Socket.io
- Getting User Location using JavaScript's Geolocation API
- Building a Real-Time Note-Taking App with Vue and Firebase
- Getting Started with Vuex: Managing State in Vue
- Using Axios to Pull Data from a REST API