Reading Time: 2 minutes/* * 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 minutepackage automatedsms; // my package name /** * * @author vijay */ import java.util.Calendar; import java.text.SimpleDateFormat; public class DateUtils { public static String now(String dateFormat) { Calendar cal = Calendar.getInstance(); SimpleDateFormat sdf = new SimpleDateFormat(dateFormat); return sdf.format(cal.getTime()); } public static void main(String arg[]) { // different date formats System.out.println(DateUtils.now(“dd MMMMM yyyy”));   // calling now method…

Reading Time: < 1 minutepackage 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 minute// save all the open programs and files before you run this program import java.io.*; class Shutdown{ public static void main(String arg[]){ Runtime runtime = Runtime.getRuntime(); try{ Process proc = runtime.exec(“shutdown -s -t 0”); System.exit(0); } catch(Exception e) { System.out.println(“e”); } } }