getUserName()
is a SystemUtils
class which is used to return the user name.
The user name is stored as a system property under the name user.name
in Java.
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;
public static String getUserName()
The method accepts no parameters.
This method returns the user name.
import org.apache.commons.lang3.SystemUtils;public class Main{public static void main(String[] args){String userName = SystemUtils.getUserName();System.out.printf("The output of SystemUtils.getUserName() is '%s'.", userName);}}
In the above code, we print the user name returned by the getUserName()
method.
The output of the code is as follows:
The output of SystemUtils.getUserName() is 'educative'.
Free Resources