This article is absolutely for beginners those who want to choose / learn best IDE for their project Development. Both IDE has lot of features and supporting major programming languages [ Java , C , C++ , PHP , HTML , Perl , Python , Ruby Etc .. ] . The Comparison of these IDE [...]
Dear Open Peta Users I have prepared Java basics syntax sheet which would be very useful for beginners and students . The following topics has been covered in style sheet Java Comments Data Types Variables Constants Operators Mathematical Functions Reading Input String Class Conditional Statements Branching and Looping Classes and Objects Inner Class Interface The [...]
Since Java is pure object oriented programming , all things must be done using the help of the objects. Some times if developer wants to transfer the object from one JVM to another JVM or one network to another network , its very difficult to pack or unpack the object contents, because the object can [...]
1.Wrapper Classes Primitive Types – Wrapper Class byte – Byte short – Short char – Character boolean – Boolean int – Integer long – Long float – Float double – Double package org.vit.java.collections; public class WrapperTest { public static void main(String[] args) { double d1 = 1.1234; Double d = new Double(d1); System.out.println(d.intValue()); System.out.println(d.doubleValue()); [...]
Java Networking 1. Finding Address package com.java.net;import java.net.InetAddress;import java.net.UnknownHostException; public class FindingAddress{ public static void main(String[] args) throws UnknownHostException { System.out.println(InetAddress.getLocalHost()); System.out.println(InetAddress.getByName(“127.0.0.1″)); }} Output : VITSCS0197/127.0.1.1/127.0.0.1 2.URL Classpackage com.java.net;import java.net.*; public class UrlSample{ public static void main(String[] args) throws MalformedURLException { URL u =new URL(“http://www.google.com”); System.out.println(“Protocol: “+ u.getProtocol()); System.out.println(“Port: ” + u.getPort()); System.out.println(“Default Port: “+ [...]
1. Applet Sample package com.java.myapplet;/** Class Name :AppletSample.java* Date :Mar 21, 2007* Author :Antony*/import java.awt.*;import java.applet.*; public class AppletSample extends Applet{public void paint(Graphics g){ g.setColor(Color.GREEN); g.drawString(“Welcome to VIT”, 50,50);}} 2. Audio Player package com.java.myapplet; /*** Program:AudioPlay.java* @author Antony* Date:Jan 5, 2007* Time:5:32:00 AM*/import java.applet.*;import java.awt.*;import java.net.URL; public class AudioPlay extends Applet{ String filename; URL codebase; [...]
1. Creating Simple Thread Using Thread class package org.vit.java.multithreading; public class SampleThread extends Thread{ public void run(){ for(int i=0;i
MySql Connect package com.java.mysql; import java.sql.*; public class MysqlConnect { public static void main (String[] args) { Connection conn = null; try { String userName = “root”; String password = “123456″; String url = “jdbc:mysql://localhost/Check”; Class.forName (“com.mysql.jdbc.Driver”).newInstance (); conn = DriverManager.getConnection (url, userName, password); System.out.println (“Database connection established”); } catch (Exception e) { System.err.println (“Cannot [...]
1. Finding Address package com.java.net; import java.net.InetAddress; import java.net.UnknownHostException; public class FindingAddress { public static void main(String[] args) throws UnknownHostException { System.out.println(InetAddress.getLocalHost()); System.out.println(InetAddress.getByName("127.0.0.1")); } } Output : VITSCS0197/127.0.1.1 /127.0.0.1 2.URL Class package com.java.net; import java.net.*; public class UrlSample { public static void main(String[] args) throws MalformedURLException { URL u =new URL("http://www.google.com"); System.out.println("Protocol: "+ u.getProtocol()); System.out.println("Port: [...]
keyworks1. try2. catch3. finally4. throw5. throws 1. try-catch-finallypackage org.vit.java.exception; import java.util.Scanner; public class Divison{ public static void main(String[] args) throws OwnException { Scanner in = new Scanner(System.in); System.out.println(“Enter the First Number:”); int x =in.nextInt(); System.out.println(“Enter the First Number:”); int y = in.nextInt(); float z = 0; try { z = x / y; System.out.print(“The Divison [...]