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 ....

 

 

Get into Docker

Have you ever heard about Docker before? Most likely. If not, don’t worry, I’ll try to summarize it for you. Docker is probably one of the hottest technologies at the moment. It has the potential to revolutionize the way we build, deploy and distribute applications. At the same time, it’s already having a huge impact in the development process. In ...

Read More »

SELECT statements batch fetching with JDBC and Hibernate

Introduction Now that I covered Hibernate batch support for INSERT, UPDATE and DELETE statements, it’s time to analyze SELECT statements result set batch fetching. JDBC ResultSet fetching The JDBC ResultSet offers a client-side Proxy cursor for fetching the current statement return data. When the statement gets executed, the result must be transferred from the database cursor to the client-side one. ...

Read More »

OptaPlanner – How fast is logging?

What’s the cost of trace/debug logging in production? What’s the performance cost of logging to a file? In these benchmarks, I compare the performance impact of logging levels (error, warn, info, debug, trace) and logging appenders (console appender, file appender) on several realistic OptaPlanner use cases. Benchmark methodology Logging implementation: SFL4J 1.7.2 with Logback 1.0.9 (Logback is the spiritual successor ...

Read More »

Apache Mesos + Marathon and Java EE

java-interview-questions-answers

Apache Mesos is an open-source cluster manager that provides efficient resource isolation and sharing across distributed applications or frameworks. Apache Mesos abstracts CPU, memory, storage, and other compute resources away from machines (physical or virtual), enabling fault-tolerant and elastic distributed systems to easily be built and run effectively. It uses dynamic allocation of applications inside machines. In summary Apache Mesos ...

Read More »

JavaOne Cloud, DevOps, Containers, Microservices etc. Track

Every year, for the past 19 years, JavaOne is the biggest and most awesome gathering of Java enthusiasts from around the world. JavaOne 2015 is the 20th edition of this wonderful conference. How many conferences can claim this? :) Would you like to be part of JavaOne 2015? Sure, you can get notified when the registration opens and attend the conference. Why not take it a ...

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