Java

The default context path of the Spring Boot application is the root context path("/"). Usually, conventions are preferred over configuration; however, there may be cases when we want to have a custom context path of our application. In…

In this journal entry, we will be looking at the methods on how to transfer a file through SFTP in Java on a remote server. The main point of focus is basically uploading and downloading the files from a remote server using SFTP. We…

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…

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…

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…

With the release of JDK 5, Java included a new feature that helped in simplifying the method creation which require or need to take a variable number of arguments. This feature is called varargs and it is short for variable-length…

The package java.util contains one of the Java’s most powerful subsystems: the Collections Framework. The Collections Framework is a modern chain of the importance of interfaces and classes that give cutting-edge innovation for managing…

In this journal entry, we’ll be showcasing how to monitor some of the key metrics like disk usage, memory usage, and CPU usage using Core Java.

In this journal entry we will be having a close look at the Java Synchronized Keyword.

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.

The Java HotSpot VM provides multiple garbage collectors, each designed to satisfy different requirements. Lets look at how we can tune the garbage collection for better performance.

Solution to Convert Java String to Integer data type.