2016-08-02 06:22
How can we obtain an array from an arraylist ?We can obtain the array from an arraylist using toArray() method of ArrayList. ListInteger> numbers = new ArrayListInteger>(); numbers.add… Read More
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Learn Java programming with complete source code examples and also provide android, javascript, jquery and ajax tutorials and examples.
2016-03-15 10:17
In fibonacci series, next number is the sum of previous two numbers for example 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55 etc. The first two numbers of fibonacci series are 0 and 1.By definition… Read More
2016-03-04 06:02
If you ask a room of developers what mobile device features are missing from the web, push notifications are always high on the list.Push notifications allow your users to opt-in to timely u… Read More
2016-03-03 10:32
package com.java4you.algos;public class SwapingTwoNumbers {public static void main(String a[]){int x = 10;int y = 20; System.out.println("Before swap:"); System.out.println("x… Read More
2016-03-01 07:47
Yes, We can write a java program without main method by using static block, only in java version 6. But not possible in later versions like java 7 or 8.The reason this works is that static i… Read More
2016-02-22 09:41
Digital images are available in the form of vectors or pixels but some images have combination of both forms means vector and pixels. To store and organize these digital images, different im… Read More
2016-02-11 12:37
Heard of this New Website which lets you Earn while you Shop? Here are some Details about it.Cashbackurl.in the site as it is named Offers you Cashback on every purchase you make online as i… Read More
2016-02-11 09:22
By the help of android startActivityForResult() method, we can get result from another activity.By the help of android startActivityForResult() method, we can send information from one activ… Read More
2016-01-29 11:38
The WindowEventHandlers.onbeforeunload event handler property contains the code executed when the beforeunload is sent. This event fires when a window is about to unload its resources. The d… Read More
2016-01-19 06:19
There are a variety of ways you can install extensions and themes from web pages, including direct linking to the XPI files and using the InstallTrigger object.Extension and web authors are… Read More
2016-01-19 05:59
You can use this one also (sets a special listener to be called when an action is performed on the EditText), it works both for DONE and ENTER:max.setOnEditorActionListener(new OnEditorActio… Read More
2016-01-18 10:44
You can force Android to hide the virtual keyboard using the InputMethodManager, calling hideSoftInputFromWindow, passing in the token of the window containing your focused view.// Check if… Read More
2015-12-22 05:31
What you can do is decorate your SpinnerAdapter with one that presents a 'Select Option...' View initially for the Spinner to display with nothing selected.Here is a working example tested f… Read More
2015-12-17 06:13
HTML:<!DOCTYPE html><html><head><meta charset=utf-8 /><title>JS Bin</title><!--[if IE]> <script src="http://html5shiv.googlecode.com/svn… Read More
2015-11-24 06:05
ExpandableListView is an Android container available as part of the platform. It will be useful to display grouped set of items. On click of the group titles the child elements will be expan… Read More
2015-11-13 05:52
Rich NotificationsThe rich notifications API lets you create notifications using templates and show these notifications to users in the user's system tray:How they lookRich notifications com… Read More
2015-10-28 06:30
JSP forward action tag is used for forwarding a request to the another resource (It can be a JSP, static page such as html or Servlet). Request can be forwarded with or without parameter. In… Read More
2015-10-28 06:12
Consider a webpage which is displaying live game score or stock market status or currency exchange ration. For all such type of pages, you would need to refresh your web page regularly using… Read More
2015-10-27 05:28
When working on a web application that involves a lot of JavaScript, one of the first things you learn is to stop tying your data to the DOM. It's all too easy to create JavaScript applicati… Read More
2015-10-19 10:24
You can use this minified jQuery snippet to detect if your user is viewing using a mobile device. If you need to test for a specific device I’ve included a collection of JavaScript sni… Read More
2015-10-16 07:27
A cookie is a small piece of information that is persisted between the multiple client requests.A cookie has a name, a single value, and optional attributes such as a comment, path and domai… Read More
2015-09-07 12:02
Today most of android application’s allow you to click image and upload to web. In this post i explain you how to create application in android which access your mobile camera, click i… Read More
2015-09-07 11:33
Follow these steps to prevent form double submission in struts:In the action class leading to the display of the form, call saveToken(request) In the action class handling the form subm… Read More
2015-09-03 05:41
In this post i explain you how we can POST JSON data to server in android. There are no of ways through which we can send data to server. In this i also explain how we can handle incoming JS… Read More
2015-06-23 05:40
I'm working on a Firefox Extension at the moment and I had to read and write cookies with that extension. To make a long story short, this is how you do it (in the JavaScript code of your ex… Read More
2015-06-19 07:39
Did you know that you don't have to link to an external image file when using an <img> element in HTML, or declaring a background-image in CSS? You can embed the image data directly in… Read More
2015-06-03 05:05
The LocalStorage API gives front-end web developers access to a simple key-value datastore that can be used to save data on a users computer. Saving data on the client-side can help to speed… Read More
2015-05-18 09:09
Here is source code of the Program to demonstrate Zoom-IN and Zoom -Out of an image using Touch events in AndroidMainActivity :package com.java4you;import android.app.Activity;import android… Read More
2015-05-14 05:47
In common term Generic means a common type of things or relating to a class or group of things not specific.In Java Generics are introduced in 2004 within Java 5.0 features along with Enum… Read More
2015-05-13 08:36
&n&hell…Read More
2015-04-17 08:21
The code below will scroll to the correct div if you click a link in the sidebar. The window does have to be big enough to allow scrolling:HTML:<div id="container"><div id="sidebar"… Read More
2015-04-03 05:00
Dynamic check-box in android. Main part of this demo is manage dynamic click of check-box.MainActivity.javapackage com.java4you.in;import java.util.Iterator;import java.util.LinkedHashMap;im… Read More
2015-03-05 05:36
The concept here is to have a sidebar that would stick to the top of the page once the window was about to pass it by while scrolling. This could be used for dozens of reasons. Perhaps you w… Read More
2015-03-03 07:02
Use the .scroll() event on window, like this:Description: Bind an event handler to the "scroll" JavaScript event, or trigger that event on an element.This method is a shortcut for .on( "scro… Read More
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