What is SystemUtils.getHostName() in Java?

Overview

getHostName() is a staticThis describes the methods in Java that can be called without creating an object of the class. method of the SystemUtils class that is used to return the host name of the system from the environment variable COMPUTERNAME on Windows or HOSTNAME on Linux.

How to import SystemUtils

The definition of SystemUtils can be found in the Apache Commons Lang package, which we can add to the Maven project by adding the following dependency to the pom.xml file:

<dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
            <version>3.12.0</version>
</dependency>

For other versions of the commons-lang package, refer to the Maven Repository.

You can import the SystemUtils class as follows:

import org.apache.commons.lang3.SystemUtils;

Syntax

public static String getHostName()

Parameters

The method accepts no parameters.

Return value

This method returns the host name.

Code

Explanation

In the above code, we print the host name returned from the getHostName() method.

Output

The output of the code is as follows:

The output of SystemUtils.getHostName() is 'Linux-Business-PC'.

Running the above code in your system may give different outputs, depending on your machine.