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 ....

 

 

Management – what are we left with?

agile-logo

Over the last four month I have written a dozen blogs concerning management of software development. I will write more, but I’d also like to draw a line under this mini-series write now – there are other things I want to blog about. Management in and of software development is an important topic, simply abolishing it is simplistic. Although as ...

Read More »

Java 8: Converting Anonymous Classes to Lambda Expressions

java-logo

Refactoring anonymous classes (that implement one single method) to lambda expressions, makes your code more succint and readable. For example, here’s an anonymous class for a Runnable and its lambda equivalent: // using an anonymous class Runnable r = new Runnable() { @Override public void run() { System.out.println("Hello"); } }; // using a lambda expression Runnable r2 = () -> ...

Read More »

Microservices fault and latency tolerance using Netflix Hystrix

software-development-2-logo

Recently in one of my project I got a requirement to execute a fallback call for a failing webservice call. To implement the same I was looking for some implementation of circuit breaker pattern and finally came across Netflix Hystrix library which I found is the best suited library as per our application. In this post I tried to showcase a ...

Read More »

Scala notes – Futures – 3 (Combinators and Async)

scala-logo

In the previous parts of this post, we discussed about Futures and Promises. In this last part, we’ll compose Futures using its powerful combinators. Composing Futures : In the first post, we saw how to extract a value from Future using onComplete, foreach and in testcases using Await.result. Extracting a value from a single Future is good but many a ...

Read More »

The name should express the intention

software-development-2-logo

This time I will start with a code sample. Take a look at this: if (code.isComplexOrUnreadable()) { refactor(code); } Can you tell me what is wrong with this code? No? Let me ask you another question then. How do you think the implementation of isComplexOrUnreadable() method looks like? I assume that many of you would imagine something similar to this: ...

Read More »

Java Certification: To Cert or Not to Cert

java-logo

Professional certification is always a bit of a controversial subject, with benefits vs. cost/time debated by those who are eligible.  With Oracle’s Java certifications, I hold the opinion that there are two primary audiences that stand to benefit: Those who are starting a career in software. Solid work experience with demonstrable code is always going to be a top hiring ...

Read More »

Help Move Java EE Forward

java-interview-questions-answers

If you recall my post entitled Java EE 8: What is the Current Status, it is apparent that the progression on Java EE has certainly slowed down over the past several months.  There are definitely some JSRs under the Java EE umbrella that have more activity than others, but Java EE as a whole has seen little to no movement forward ...

Read More »

Resolving JSON schema Changes with Drill and Python

python-logo

Drill is a fantastic tool for querying JSON data. But Drill isn’t magical, and sometimes it runs into some data that it can’t quite handle (yet). This post walks through an example of such a scenario, and how you might work through the issue using a little bit of Python code. Scenario You have data where the schema changes. In ...

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