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 ....


Top 5 Java Performance Tuning Books – Best of Lot, Must read


Why Java developer should read a book on Performance tuning? When I first faced this question long time back, I thought I will do it later, but I never get back to that for a long time. I realize my mistake of having lack of knowledge on performance measurement, tuning and finding bottleneck only when I faced serious performance and ...

Read More »

Hibernate Identity, Sequence and Table (Sequence) generator


Introduction In my previous post I talked about different database identifier strategies. This post will compare the most common surrogate primary key strategies: IDENTITY SEQUENCE TABLE (SEQUENCE)     IDENTITY The IDENTITY type (included in the SQL:2003 standard) is supported by: SQL Server MySQL (AUTO_INCREMENT) DB2 HSQLDB The IDENTITY generator allows an integer/bigint column to be auto-incremented on demand. The ...

Read More »

How to implement a custom password strength indicator in JSF


Verifying password strength using JavaScript is a common task. In this post, I will show how to add a password strength indicator to an JSF based web application. The password component in PrimeFaces already has a feedback indicator of the password strength, but it has two major shortcomings: Feedback indicator is not responsive (fix width, not mobile friendly, etc.) Rules ...

Read More »

Turning recursive file system traversal into Stream


When I was learning programming, back in the days of Turbo Pascal, I managed to list files in directory usingFindFirst, FindNext and FindClose functions. First I came up with a procedure printing contents of a given directory. You can imagine how proud I was to discover I can actually call that procedure from itself to traverse file system recursively. Well, I didn’t know the ...

Read More »

10 things you can do as a developer to make your app secure: #9 Start with Requirements


To build a secure system, you should start thinking about security from the beginning. Legal and Compliance Constraints First, make sure that everyone on the team understands the legal and compliance requirements and constraints for the system. Regulations will drive many of the security controls in your system, including authentication, access control, data confidentiality and integrity (and encryption), and auditing, ...

Read More »

Lessons Learned in Automated Testing


I want to discuss some takeaways from my role as a Quality Assurance (QA) Software Developer. My experiences in QA were two-fold: I started as a Software Engineer responsible for QA on a Scrum team and I later had a role as a QA Engineer responsible for implementing automated testing infrastructure. In the latter position, I made sure teams had ...

Read More »

How To Test Your Tests


When we write tests, we focus on the scenario we want to test, and then write that test. Pretty simple, right? That’s how our minds work. We can’t focus on many things at the same time. TDD acknowledges that and its incremental nature is built around it. TDD or not, when we have a passing test, we should do an ...

Read More »

Do Software Developers Really Need Degrees?


When I first started out my career as a software developer, I didn’t have a degree. I took my first real job when I was on summer break from my first year of college. By the time the summer was up and it was time to enroll back in school, I found that the salary I was making from that ...

Read More »

Mapping your Entities to DTO’s Using Java 8 Lambda expressions


We all facing the cluttered overhead code when we need to convert our DTO’S to Entities(Hibernate Entities, etc..) and backwards. In my example ill demonstrate how the code is getting much shorter with Java 8. Let’s create the Target DTO:             public class ActiveUserListDTO { public ActiveUserListDTO() { } public ActiveUserListDTO(UserEntity userEntity) { this.username = ...

Read More »
Want to take your Java Skills to the next level?
Grab our programming books for FREE!
  • Save time by leveraging our field-tested solutions to common problems.
  • The books cover a wide range of topics, from JPA and JUnit, to JMeter and Android.
  • Each book comes as a standalone guide (with source code provided), so that you use it as reference.
Last Step ...

Where should we send the free eBooks?

Good Work!
To download the books, please verify your email address by following the instructions found on the email we just sent you.