Reading Time: < 1 minute/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package keyboardreader; // my package /** * * @author vijay * http://javamix.wordpress.com */ import java.util.*; import javax.swing.*; import java.awt.*; public class SystemEnvironmentlook { private final static JTextArea output = new JTextArea(); public static void main( String…

Reading Time: < 1 minute// package sampleprograms; import java.io.*; import java.net.*; /** * * @author katta vijay */ public class Main { /** * @param args the command line arguments */ public static void main(String[] args) { // TODO code application logic here try{ String ip =  InetAddress.getLocalHost().getHostAddress(); System.out.println(ip); }catch(Exception e){ } } } —————————————————-output is———————— 10.0.0.223

Reading Time: < 1 minutethis java program gives the system home path as output. /** * * @author katta vijay */ public class UserHomeExample { public static void main(String[] args) { System.out.println(“User Home Path: “+ System.getProperty(“user.home”)); } }

Reading Time: < 1 minuteThis is a Simple Java program for shutdown your computer . here in this program I’m executing a system command for shutdown ( shutdown –s –t) though runtime . make sure that before you run this program : // save all the open programs and files before you run this program import java.io.*; class Shutdown{…