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Subscribe to our newsletter to start Rocking right now! To get you started we give you our best selling eBooks for FREE! 1. JPA Mini Book 2. JVM Troubleshooting Guide 3. JUnit Tutorial for Unit Testing 4. Java Annotations Tutorial 5. Java Interview Questions and many more .... Email address: Leave this field empty if you're human: Introduction to Apache Wink Bhagvan Kommadi January 31st, 2020 1. Overview In this article, we will take a look at the Apache Wink Web Service examples. Apache Wink 1.0 is a JAX-RS 1.0 compliant and it has features related to the coreJAX-RS specification. 2. Apache Wink Using Apache Wink, REST web services are built. REST is an acronym for “Representational State Transfer”. Roy Fielding was the first person to ... Read More » Java Optional Parameters Firouzeh hejazi January 30th, 2020 In this post, we feature a comprehensive article about the Java Optional Parameters. When you design a method in a Java class, some parameters may be optional for its execution. 1. Java Optional Parameters You can tackle Java optional parameters in method in several different ways. We will see them in the following: 1.1 Mutability with accessors Using standard getters ... Read More » Topological Sort Java Example Venkat-Raman Nagarajan January 29th, 2020 In this article, we will discuss the Topological sort Java algorithm. We will start with graphs, some common types, and to store graphs. 1. Graph and common types A graph is a non-linear data structure consisting of a finite set of Vertices (also called nodes) connected by Edges. Fig 1. A sample Graph with vertices and edges In the above ... Read More » Printstream Java Example Rajagopal ParthaSarathi January 29th, 2020 This article is a quick introduction to the Printstream Java class available as part of Java ecosystem. 1. Introduction St...