JMockit: A beginner’s guide for Unit Testing

So we are following TDD, And we are working on unit test cases, And then we are stuck with mocking.
Well this was the situation we faced. And while going through various API tools for mocking, we came through this amazing toolkit: JMockit.

Validating XML using XSD

Lately, I have been working on a use case where I was asked to parse XML for its validation and retrieve its values.

There are two different document type definitions that can be used with XML:

• DTD — The original Document Type…

“Feature Flags and LaunchDarkly”- what, why and how?

Java 8 Stream : Need with examples and Limitations

Before starting with java 8 stream firstly look at this example that will illustrates the need of java 8 stream and the power of stream as well.

private static int sumIterator(List list) {
	Iterator it =…

Hyperledger Fabric Certificate Authority(CA)

Every operation in Hyperledger must be signed cryptographically with certificates. You can generate certificates yourself using OpenSSL or by using third party. Before moving further into details of CA lets first explore Hyperledger Fabric a little. ;)

Cool Breeze of Scala for Easy Computation: Introduction to Breeze Library

Mathematics is a core part of machine learning and to dive deep into machine learning one should possess basic knowledge of mathematics concepts but when you start developing algorithms, mathematics can…

Developers Needs SDKMAN Not Super-Man

Every developer has pain for setup development environment to his/her machine with lots of the setups. Sometimes, the pain goes beyond while we need to test same application on multiple versions of SDKs or virtual machines.

Rules while working with stream in Java 8

First, let’s have a basic understanding of stream. Then we will have a look at the side effects that can occur while working with streams.

Stream represents a sequence of objects from a source, which supports aggregate operations…

Spark Streaming: Unit Testing DStreams

Frankly, I don’t think there’s any need of telling us, “The Developers”, the need for proper testing or Unit testing to be correct(QAs, Don’t be flattered :P). The unit test cases are the quickest way to know there’s something wrong with our code.