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 ....

 

Acceptance Criteria Should be Executable

agile-logo

Having covered the debacle at Backwater Bank inc, you would have thought that my last blog had said just about everything there is to say about Agile User Stories. Well, that turns out not to be the case. If you take a look at an example order a cheque book story from the Backwater Bank inc scenario, you’ll see that ...

Read More »

JPA 2 | Dynamic Queries Vs Named Queries

java-interview-questions-answers

JPA has its own Query language called JPQL. JPQL is very similar to SQL, with one major difference being that JPQL works with entities as defined in the application whereas SQL works with table and column names as defined in the database. JPA provides us with a variety of options when it comes to defining the JPA queries that will ...

Read More »

How Many Threads Does It Take to Fill a Pool?

java-interview-questions-answers

In recent months we have been seeing a small but persistent percentage of our operations fail with a strange exception – org.springframework.jdbc.CannotGetJdbcConnectionException  – “Could not get JDBC Connection; nested exception is java.sql.SQLException: An attempt by a client to checkout a Connection has timed out.” Our natural assumption was that we have some sort of contention on our C3P0 connection pool, ...

Read More »

Android ListView: Custom Adapter with ImageView

android-logo

In previous post we talked about custom adapter. We used a quite simple adapter with just a TextView. We want to expand the idea described before and introduce an image for each planet. To do it we have to modify the layout and other code parts to handle the user click on each item. We want that each row in ...

Read More »

Android Fragment Lifecycle – multiple screen support

android-logo

Fragment lifecycle is an important aspect to take into account before using fragments. Every developer, that wants to develop an application in Android, has to face the mobile phone fragmentation problem or the multiple screen size support. In other words there are many smartphone on the market with different screen resolution and different screen density. To make the situation more ...

Read More »

5 Common User Story Mistakes

agile-logo

User stories are a simple, yet effective way to communicate how a user or customer employs a product. But writing user stories that help a team build great software can be challenging. The following list summarises five common user story mistakes to help you improve your stories. Story Mania Some product owners and teams are so fond of user stories ...

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.