In my previous post about JSON processing I introduced you to the sample application and then showed how one can make use of the Streaming API to parse the JSON data. The JSON Streaming API was not suited for scenarios explained in my previous post. In such scenarios one can make use of the Object …
JSON Processing in JavaEE 7- Using Streaming API
If you are wondering what JSON is (Read : What is JSON?), you might want to read this article of mine. Java didn’t have a support for JSON processing out of the box. Developers had to include external libraries to enable JSON processing. But with JSR 353 we have support for JSON processing in Java …
Basics of Java Interface Usage
In this article we will see how to use Java interfaces correctly with with some examples. Using Java as Interfaces is often not used or wrongly used. This article demonstrates the practical uses of Interfaces in Java. First of all it is important to understand what is an interface? Let us create a “contract” where the …
WebSocket Support in Java EE 7
I am going to divide this post into following topics for ease of understanding to the readers: What is a WebSocket? JavaEE 7 Support for creating WebSocket end points Javascript support to create WebSocket client end point What is a WebSocket? It is a feature being introduced as part of the HTML5 specification. It introduces …
Asynchronous Servlet – A new feature in Servlet 3.0 and Java EE 6
When Java EE 6 was announced with a new servlet specification i.e Servlet 3.0 – Asynchronous servlet was a very important feature added to the new specification. Suppose your servlet does a long running task like making a JDBC call or invoking a web service, such operations generally take up a lot of CPU time …
Garbage Collection in Java
In this article we will cover the proper use of Garbage Collection. Let us learn how it works, and understand how to induce the Garbage Collection. The Garbage Collection is a tool coupled to the JVM, that performs cleanup of objects in memory (Read: static utility for objects) which are of no further use. Our application will constantly suffer …
Best Practices to Override toString Method in Java?
In this article to we will see how to override the toString method and what are the best practices in Java. Java provides a default implementation for the method toString through a class java.lang.Object which is inherited by all Java classes . However, what it returns is not very informative. Your returned value is composed …
Dynamic Class Loading using Java Reflection
In this article we will discuss the concept of Java Reflection. Java Reflection is used to determine methods and attributes that will be used in a certain class at runtime.The Reflection in a nutshell, is used to determine methods and attributes that will be used in class (you do not know) at runtime. There are …