Java Tutorial

Javapapers is a java tutorial site passionately maintained by Joe. Tutorials written are of Java, Servlets, Jsp, Spring framework, Android and design patterns. Javapapers stands out from the crowd by providing in-depth tutorial on each topic at the same time keeping it simple. This helps to refresh your Java knowledge, keep updated with latest Java news, prepare for Java interview, and Java certifications. Welcome!

Recent Tutorials

Javapapers Redesigned

01/04/2014
Javapapers was running on a colorful design for many years. Like everybody, I too like lots and lots of colors. Years back, when I did the design only two things were in my mind, I wanted bright colors and wanted the site to feel like a notepad of papers. I succeeded in that design and […]
This tutorial was added to News.

Android Device to Device Messaging using Google Cloud Messaging (GCM) via Http

30/03/2014
This Android tutorial will help to learn Android device to device messaging using Google Cloud Messaging (GCM) via a GCM Http server. This is just an improvisation of downstream messaging using GCM server. Communication flow originates from an Android device and the message to be communicated will be sent to GCM application server. From that […]
This tutorial was added to Android.

Android Wear Getting Started Tutorial

20/03/2014
Android wear is a platform by Google for wearable devices. It was launched yesterday. For now it is for watches and later it may expand to other wearable like shoes, pen, etc. The Youtube video showcasing the features of Android Wear by Google is mind blowing. It is game over for all other smart watches […]
This tutorial was added to Android.

Draw Path on Google Maps Android API

14/03/2014
This Android tutorial is to demonstrate a sample application which will draw path for a route in Google map using Android API v2. This tutorial is a part of Google maps series. I recommend you to go through the previous tutorial Draw lines on Google Maps Android API. This earlier tutorial is to draw straight […]
This tutorial was added to Android.

Cast in Java Generics

12/03/2014
In this tutorial let us discuss about different aspects of type cast with respect to Java generics. Generics was initially idealized for collections framework. In collections there were lots of cast done. In a way, one of the main objective of Java generics is to help programmer reduce explicit type cast and provide type-safety. Before […]
This tutorial was added to Java.
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Java Cast and Conversions

10/03/2014
In this Java fundamentals tutorial let us see about casting in Java. This tutorial is having two parts, the first one is for casting on reference types and the second is for primitives cast. In each part let us see about the different types of cast available and how we can use them in Java. […]
This tutorial was added to Java.

Android Multicast Notification using Google Cloud Messaging (GCM)

06/03/2014
Google Cloud Messaging for Android (GCM) is a platform provided by Google for developers for sending tiny notification messages to Android applications installed on Android devices. Instead of mobile applications pinging a server for messages, alternately server can notify the application. This will improve the user experience and save resources in mobile devices. In an […]
This tutorial was added to Android.

Markers–Google Maps Android API v2

25/02/2014
This Android tutorial will show how to use markers to display positions using Google maps Android API v2. We will also see features related to using markers like changing the default color, replacing the default icon with a custom icon-image, allow user to drag the marker, show our current position using marker and related event […]
This tutorial was added to Android.

Java Generics Basics

18/02/2014
This Java generics tutorial is to introduce basic terminologies related to generics. They are demonstrated with example code and this tutorial is for beginners only. Java Generics Example Before we go into detail let us see an example for generics in Java. This is to recall and continue from our previous tutorial for introduction to […]
This tutorial was added to Java.

Draw lines on Google Maps Android API

17/02/2014
This Android tutorial will help a beginner to start with Google Maps on an Android device. We will be using Google Maps Android API V2 and it is an introductory level tutorial. We will show some chosen locations in Google map using Latitude and Longitude and draw lines (polyline) between them. This is continuation of […]
This tutorial was added to Android.
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