Java8

Stream your data using Kinesis data stream

Reading Time: 3 minutes We live in a world driven by data and every second we are processing a large amount of data, using it, analysing it, and transforming it. Data is very essential for businesses these days. Therefore the need for handling the Dynamically generating data is important. As the number, variety, and velocity of data sources grow, new architectures and technologies are needed. This is where the need Continue Reading

Handling failed SQS Events using AWS Dead Letter Queue(DLQ)

Reading Time: 3 minutes Amazon SQS is an amazing simple queuing service which offers us a secure, durable hosted queue which lets us integrate and decouple distributed software component. One of the exciting features that SQS provides us with is the support of dead letter queue. Whenever we are using SQS for queuing messages for our services there may be times that our message gets corrupted or for some Continue Reading

Unit testing void methods with Mockito and JUnit

Reading Time: 3 minutes Writing functionality is the main focus whenever we are writing a software program, but it is equally important that we make sure our code works the way we intended it to. And how do we do that? By writing unit test cases. They are used to test the smallest functionality of code. Unit test cases are an essential part of software development. In this blog, Continue Reading

Introduction to MongoDB with Java

Reading Time: 3 minutes We now live in a data driven world where we are generating so much data that it becomes difficult to manage this data using databases. There are different databases available for different use cases. For a long time Relational databases were used for most of the uses cases, but as the technology advanced and modern applications came which need more scalability and variety came into Continue Reading

Why to use Java9 when I have Java8?

Reading Time: 3 minutes The concept of JPMS i.e. Java Platform Module System came in Java 9. Its development was first started in 2005 and finally in 2017, this concept came under the project named Jigsaw. Until Java 8, we used jar files for packaging and bundling the application, but from Java 9 onward, we will be using modules for that. Modularity is the basic rule of good software Continue Reading

The Concept of Date and Time in Java-8

Reading Time: 3 minutes Hi guys, Let’s discuss the concept of Date and Time in Java 8. Well, it was already there then why again in java 8? That is because previously we have many issues in working. So, there are many improvements in java 8 which we will see here. Advantages over old Date-Time API First, we see how the new API is better than the older one: Continue Reading

Functional Java: Powerful Feature of Java8 – Lambda Expression

Reading Time: 2 minutes As we know that java8 has come up with a lot of new features Lambda Expression is one of them. It will help us in many ways like reduce the boilerplate code and make our code look clean and concise. Lambda Expression A Lambda expression is an anonymous function and is expressed as an instance of functional interfaces. Why we need Lambda Expression and how Continue Reading

Different ways of Handling Exceptions in CompletableFutures

Reading Time: 3 minutes Hi Folks! As part of this blog, we will explore how we can handle exception in the different computing stages when we use CompletableFuture. We assume the read has the basic idea of the CompletableFuture. Nonethless, will start with the basic introduction of the CompletableFuture. What is CompletableFuture A CompletableFuture is used for asynchronous programming which was introduced as an improvement of the java Future API in Continue Reading