Java JSP Javascript – Submit form without reloading page

In this video I have shown how to submit a form from a JSP page without refreshing the page. This is purely on Javascript and will work on any HTML supported platforms like PHP, .Net etc. This project is demonstrated in Eclipse IDE with Tomcat server. 1. Project Structure in Eclipse IDE. 2. index.jsp holds …

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JAVA- Integrate login with Facebook using restfb API

In this video I have shown how you can integrate Login with facebook in web projects using restfb API. All the documentations are available in restfb.com documentation section. Here is the steps what you have to follow. 1. Login to facebook developers site and get an APP id by creating a facebook APP. 2. Grant …

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How to generate QR code with Image using JAVA

In this video I have shown how you can create a QR Code with logo in side the QR. We are using 2 jar files which should be added in ClassPath to create the QR file. The jars are, 1 . javase-2.2.jar 2 . zxing-core-2.0.jar QR_Generate.java package com.chillyfacts.com; import java.awt.AlphaComposite; import java.awt.Graphics2D; import java.awt.image.BufferedImage; import …

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Java Switch Statement source code

Java Switch statement executes if any of the cases in the switch is matched. Just like if-else-if ladder statement. Switch statements can be used only to String,int and enum parameters by default. 1.Java Switch with Integer Argument example. Java_Switch.java package com.chillyfacts.com; public class Java_Switch { public static void main(String[] args) { int i = 100; …

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Create Barcode in JSP page

How to Create and Shown bar code in JSP Page. I have shown this using Eclipse IDE. 1. Project Structure 2. The jar used in the project are, 1. barcode4j.jar 2. itextpdf-5.1.0.jar 3. Mysql connector jar 3. Create Barcode in Static way using below Servlet Create_Bar_Code.java package com.chillyfacts.com; import java.awt.image.BufferedImage; import java.io.ByteArrayOutputStream; import java.io.IOException; import …

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JAVA Get current time from different time zones as String

How to get Current Time from Different time zones JavaTimeZoneTest.java package com.chillyfacts.com; import java.text.SimpleDateFormat; import java.util.Date; import java.util.TimeZone; public class JavaTimeZoneTest { public static void main(String[] args) { TimeZone timeZone = TimeZone.getTimeZone(“GMT”); SimpleDateFormat date_format=new SimpleDateFormat(“dd-MM-yyyy EEEE hh:mm:ss a”); date_format.setTimeZone(timeZone); Date date=new Date(); String current_date_time=date_format.format(date); System.out.println(“GMT-“+current_date_time); timeZone = TimeZone.getTimeZone(“Asia/Kolkata”); date_format.setTimeZone(timeZone); current_date_time=date_format.format(date); System.out.println(“Asia/Kolkata-“+current_date_time); timeZone = TimeZone.getTimeZone(“Australia/Perth”); date_format.setTimeZone(timeZone); …

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java if statement source code-Simple Java Programs

In this video I have shown the four common different if statements with example source code. The four if statements are, 1. if statement 2. if-else statement 3. if-else-if ladder 4 .nested if statement Project Structure If_Statement.java package com.chillyfacts.com; public class If_Statement { public static void main(String[] args) { int i=15; System.out.println(i>10); if(i>10){ System.out.println(“i is …

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Java Simple Hello World Program in Eclipse

Hello World program in Eclipse Example. Follow the below steps, Go to File > New > Java project Project Structure HelloWorld.java package com.chillyfacts.com; public class HelloWorld { public static void main(String[] args){ System.out.print(“Hello World!!”); } } Out put in console Hello World!! Download the project here, HelloWorld.rar

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How to Generate or Read QR code Dynamically using JAVA

This project is developer in zxing API. Project Structure in Eclipse, The 3 jars used are, 1. zxing-core-2.0.jar 2. zxing-1.7-javase.jar 3. MySQL Connector The below code will generate the QR code with data chillyfacts.com Create_QR.java package com.chillyfacts.com; import java.io.File; import java.util.HashMap; import java.util.Map; import com.google.zxing.BarcodeFormat; import com.google.zxing.EncodeHintType; import com.google.zxing.MultiFormatWriter; import com.google.zxing.client.j2se.MatrixToImageWriter; import com.google.zxing.common.BitMatrix; import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel; …

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