Java Tutorial

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Recent Tutorials

Java File Permissions – Don’t Check Permissions before Use

25/05/2015
This tutorial is part of Java NIO tutorial series. In this tutorial, let us get introduced to Files class from java.nio.file package, it offers static methods to operate on files and directories. Let us start our Java files tutorial with permissions. How to check a file if it has a certain permission before operating on […]
This tutorial was added to Java.

Java NIO Path

18/05/2015
This tutorial is part of the Java NIO tutorial series. In this tutorial, we will see about what is a Path and a File with respect to Java NIO. Path is step one in files and IO processing. Files are stored in a disk or some media based on a file system. Tree structure based […]
This tutorial was added to Java.

Java NIO Tutorial

18/05/2015
I am starting a Java tutorial series on NIO. This is the first article and will serve as table of contents for the tutorial series. NIO was introduced in Java for buffer oriented and non blocking IO operations. Before that in Java we had only the standard IO based on streams and blocking IO operations. […]
This tutorial was added to Java.

Java TFTP Client

14/05/2015
In this article, I will brief about what is TFTP protocol and implement a TFTP client using Java. TFTP stands for Trivial File Transfer Protocol. It is a simple protocol used to transfer files. It is implemented on top of Datagram protocol (UDP). In comparison with FTP protocol, it is very simple. It does not […]
This tutorial was added to Java.

Autowiring Java Generic Types in Spring Framework

03/05/2015
Spring 4 has introduced many improvements to core container. One among them is autowiring of Java generic types. In this Spring tutorial we will go through what that feature is and how it can be used. This tutorial is suitable for beginners in Spring framework. From Java 1.5 Annotations and Generics are the most popularly […]
This tutorial was added to Spring.

Spring 4.x Features

23/04/2015
Spring 4.0 was released in December 2013 and developers are migrating to it gradually. New Java projects are recommended to adopt it directly. It was one of the major version release for Spring framework. Major features on Spring 4 is the complete support for Java SE 8 and Groovy. Following are the Spring 4.x features […]
This tutorial was added to Spring.

Android SearchView Action Bar Tutorial

26/03/2015
This Android tutorial is to learn about using a SearchView in action bar of an Android app. There are two main things that I will handle in this tutorial. Incorporating a Search component in the Android action bar is a common use which we come quite often. This example Android application accompanying this tutorial can […]
This tutorial was added to Android.

Java Integer Cache

22/03/2015
This Java article is to introduce and discuss about Integer Cache. This is a feature introduced in Java 5 to save memory and improve the performance. Let us first have a look at a sample code which uses Integers and showcases the Integer Cache behavior. From there lets study how and why it is implemented. […]
This tutorial was added to Java.

Android Location Tracker with Google Maps

15/03/2015
This Android tutorial will walk you through to create a location tracker using Android location API and Google maps services. This deals mainly with two areas, using the location API to continuously get the user location and then showing that lat-long position in the Google maps. Refer the Android location using fused provider tutorial to […]
This tutorial was added to Android.

Java JSON Conversion Tutorial

08/03/2015
This is a beginner level tutorial on using the Jackson JSON API to convert between Java objects and JSON data. We have been seeing a RESTful services tutorial series in the recent past. I will be using JSON conversion in RESTful services in the coming weeks. This JSON tutorial is to help started with it. […]
This tutorial was added to Java.

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