Java: Get the value of the environment variable PATH, TEMP, USERNAME
Java Basic: Exercise-90 with Solution
Write a Java program to get the value of environment variables PATH, TEMP, USERNAME.
Sample Solution:
Java Code:
import java.lang.*;
public class Exercise90 {
public static void main(String[] args) {
// Display the value of the specified environment variable "PATH"
System.out.println("\nEnvironment variable PATH: ");
System.out.println(System.getenv("PATH"));
// Display the value of the specified environment variable "TEMP"
System.out.println("\nEnvironment variable TEMP: ");
System.out.println(System.getenv("TEMP"));
// Display the value of the specified environment variable "USERNAME"
System.out.println("\nEnvironment variable USERNAME: ");
System.out.println(System.getenv("USERNAME"));
}
}
Sample Output:
Environment variable PATH: /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games :/usr/local/games Environment variable TEMP: null Environment variable USERNAME: null
Flowchart:
Java Code Editor:
Previous: Write a Java program to check whether a security manager has already been established for the current application or not.
Next: Write a Java program to measure how long some code takes to execute in nanoseconds.
What is the difficulty level of this exercise?
Test your Programming skills with w3resource's quiz.
It will be nice if you may share this link in any developer community or anywhere else, from where other developers may find this content. Thanks.
https://www.w3resource.com/java-exercises/basic/java-basic-exercise-90.php
- Weekly Trends and Language Statistics
- Weekly Trends and Language Statistics