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 ....

 

 

Design Your Agile Project, Part 2

The point of using agile is to get finish something valuable-to-the-business quickly, to get feedback. Why? For several reasons, but the first one is so you can change the project’s priorities. The second is so you can change the project portfolio. The third is to get feedback on what you’ve done. Okay, you can exchange one, two, and three if ...

Read More »

115 Java Interview Questions and Answers – The ULTIMATE List (PDF Download)

Last updated Oct. 3, 2016 In this tutorial we will discuss about different types of questions that can be used in a Java interview, in order for the employer to test your skills in Java and object-oriented programming in general. In the following sections we will discuss about object-oriented programming and its characteristics, general questions regarding Java and its functionality, ...

Read More »

How Agile is a Scrum team?

Most teams I meet today are agile. Or, so they proclaim to be. All of these teams do Scrum, and that makes them agile. Doesn’t it? If I look back at the 12 practices the Agile Manifesto is build on (short: the Agile practices) I conclude that Scrum values a subset: the planning game, on-site customer, small releases and whole ...

Read More »

Effective learning techniques for software craftsmen

Go in one ear and out the other Programming languages, operating systems, SQL, NoSQL, web frameworks, Spring, Java EE, HTML, JavaScript, Agile methodologies , you name it. A developer must know a ridiculous amount of things to become effective. There’s no wonder many of us are struggling to keep pace with the ever-changing programming landscape. When you’re a kid, doing ...

Read More »

Common Misconceptions About Java

Java is the most widely used language in the world ([citation needed]), and everyone has an opinion about it. Due to it being mainstream, it is usually mocked, and sometimes rightly so, but sometimes the criticism just doesn’t touch reality. I’ll try to explain my favorite 5 misconceptions about Java.               Java is slow ...

Read More »

Using Android Location API in Weather App – Search city

In this post I would like to describe how to search a city using openweathermap to get weather conditions. There are two way we can use to find a city: Using name pattern Using geographic coordinates (Android Location API) We will introduce, moreover, some concepts about Android location API and Location-based service.   Searching city by name In this kind ...

Read More »

Consume Webservice in Android using intentService

In this post, I will explain how to consume Restful Webservice using IntentService. We know we can consume a Webservice directly in the UI using for example Volley lib or a simple Http client, but there are some cases when we prefer to consume a Webservice in an Android Service. We know that Android Service has a “longer” life than ...

Read More »

Spring Test Context Caching + AspectJ @Transactional + Ehcache pain

Are you using AspectJ @Transactionals and Spring? Do you have multiple SessionFactory’s maybe one for an embedded database for unit testing and one for the real database for integration testing? Are you getting one of these exceptions? org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate.service.UnknownServiceException: Unknown service requested or java.lang.NullPointerException at net.sf.ehcache.Cache.isKeyInCache(Cache.java:3068) at org.hibernate.cache.ehcache.internal.regions.EhcacheDataRegion.contains(EhcacheDataRegion.java:223) Then you ...

Read More »

Apache CXF 3.0: JAX-RS 2.0 and Bean Validation 1.1 finally together

java-interview-questions-answers

The upcoming release 3.0 (currently in milestone 2 phase) of the great Apache CXF framework is bringing a lot of interesting and useful features, getting closer to deliver full-fledged JAX-RS 2.0 support. One of those features, a long-awaited by many of us, is the support of Bean Validation 1.1: easy and concise model to add validation capabilities to your REST ...

Read More »

Slim Down SWT FormLayout Usage

Always on the quest for efficiency I reconsidered the usability of SWT FormLayout lately. Although it is one of my favored core layouts with respect to flexibility, I had to recognize that it is only reluctantly used by most of my fellow workers. Proposing it for an appropriate task sometimes actually seems to inflict real physical pain, considering the facial ...

Read More »

Want to take your Java skills to the next level?

Grab our programming books for FREE!

Here are some of the eBooks you will get:

  • Spring Interview QnA
  • Multithreading & Concurrency QnA
  • JPA Minibook
  • JVM Troubleshooting Guide
  • Advanced Java
  • Java Interview QnA
  • Java Design Patterns