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A general purpose programming language and computing platform that is concurrent, class-based, object-oriented and specifically designed to have as few implementation dependencies as possible.

Understanding null in Java

Java and null share a unique bond. Almost all of the Java developers get trouble with the NullPointerException and this is the most infamous fact about null and Java. In this journal, we will be understanding null in Java. Null was

Understanding Java Thread Pool with Example

In this journal entry, "Understanding Java Thread Pool", we will be answering to the question "Why the application need a thread pool?". Well the answer to this is when we develop a simple application in Java which needs some concurrent

How to Build a Data Pipeline using Flink and Kafka

In this journal blog, we are going to have a look at how to build a data pipeline using Flink and Kafka. But before we start let's first understand what exactly these two technologies are. Apache Flink is a stream processing framework

Understanding BlockingQueue in Java

BlockingQueue interface in Java was first introduced in Java 1.5. BlockingQueue interface supports flow control by introducing blocking if either BlockingQueue is full or empty. All methods of BlockingQueue are atomic in nature and

How to Create Annotations in Java?

Annotations have been a powerful part of Java, but most times we tend to use them rather than create them. In this journal entry, we will be having a look at the creation process of Annotations in Java.