Do you want to know how to develop your skillset to become a Java Rockstar?

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 ....

Determining Presence of Characters or Integers in String with Guava CharMatcher and Apache Commons Lang StringUtils

java-logo

A recent Reddit post asked the question, “Is there a predefined method for checking if a variable value contains a particular character or integer?” That question-based title was also asked a different way, “A method or quick way for checking if a variable contains any numbers say or (‘x’,2,’B’) like a list?” I am not aware of any single method ...

Read More »

Getting started with Apache Mesos and Apache Aurora using Vagrant

vagrant-logo

Apache Mesos is a cluster manager that provides efficient resource isolation and sharing across distributed applications, or frameworks. Think of it as the “kernel” for your data center. Paco Nathan talked about this on one of the All Things Hadoop Podcasts. Features:             Fault-tolerant replicated master using ZooKeeper Scalability to 10,000s of nodes Isolation between tasks ...

Read More »

Project Student: Webservice Server with Jersey

java-logo

This is part of Project Student. Other posts are Webservice Client With Jersey, Business Layer and Persistence with Spring Data. The second layer of the RESTful webapp onion is the webservice server. It should be a thin layer that wraps calls to the business layer but does not do significant processing of its own. This post has a lot of ...

Read More »

Introduction To JUnit Theories

junit-logo

Have you ever read a mathematical theory? It typically reads something like this: For all a, b > 0  the following is true: a+b > a and a+b > b Just typically the statements are more difficult to understand. There is something interesting about this kind of statement: It holds for EVERY element (or combination of elements) of a rather ...

Read More »

Top 10 JavaCodeGeeks posts for 2013

jcg-logo

2013 is coming to an end. What a year! Loyal to our tradition, we are compiling the top Java Code Geeks for the year that just passed. As with the Top 10 JavaCodeGeeks posts for 2010, the Top 10 JavaCodeGeeks posts for 2011 and the Top 10 JavaCodeGeeks posts for 2012, we have created a compilation with the most popular ...

Read More »

What an Agile Project needs for success

agile-logo

In my previous posts I explained about the Attitude of a Great Software Developer and Attitude of a Great Software Tester.  I am a huge fan of Agile methodologies.  I believe, if an Agile project needs to be successful, there are certain factors that will make it happen.               Technical Craft The technical capabilities ...

Read More »

Node.js Buffer Operations

software-development-2-logo

Pure javascript is not efficient in handling binary data. Node.js has native layer implementation for handling binary data, which is buffer implementation with syntaxs of javascript. In node.js we have buufer in all operations for read nad write data. Some points to be noted for node.js buffer implementation – A> Buffer can not be resized. B> Raw data from transport ...

Read More »

(Part 2 of 3): Synopsis of articles & videos on Performance tuning, JVM, GC in Java, Mechanical Sympathy, et al

java-logo

This is a continuation of the previous post titled (Part 1 of 3): Synopsis of articles & videos on Performance tuning, JVM, GC in Java, Mechanical Sympathy, et al. Without any further ado, lets get started with our next set of blogs and videos, chop…chop…! This time its Martin Thompson’s blog posts and talks. Martin’s first post on Java Garbage collection ...

Read More »

Adding Social Sign In to a Spring MVC Web Application: Unit Testing

spring-interview-questions-answers

Spring Social 1.0 has a spring-social-test module which provides support for testing Connect implementations and API bindings. This module was removed from Spring Social 1.1.0, and it was replaced with the Spring MVC Test framework. The problem is that there is practically no information about writing unit tests for an application which uses Spring Social 1.1.0. This blog post fixes ...

Read More »

ArrayList vs LinkedList

java-logo

I must confess the title of this post is a little bit catchy. I have recently read this blog post and this is a good summary of  discussions & debates about this subject. But this time I would like to try a different approach to compare those 2 well known data structures: using Hardware Performance Counters. I will not perform ...

Read More »
Do you want to know how to develop your skillset and become a ...

Subscribe to our newsletter to start Rocking right now!

To get you started we give you our best selling eBooks for FREE!
Get ready to Rock!
To download the books, please verify your email address by following the instructions found on the email we just sent you.

THANK YOU!

Close