Discover when casting to String or using String.valueOf() is most useful.
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“Not a Managed Type” Exception in Spring Data JPA
Explore the reasons behind the “Not a Managed Type” Exception in Spring Data JPA.
Find the Date of Easter Sunday for the Given Year
Learn how to find the date of Easter Sunday for the given year using three algorithms in Java.
Download File from S3 Given a URL
Learn how to download a file from S3 given a URL with Java and AWS SDK.
Exploring Complex Number Arithmetic Operations in Java
Learn how to perform complex-number operations in Java.
Polymorphism with Gson
A quick and practical guide to handling polymorphic structures with Gson.
SkipList Implementation in Java
A quick and practical guide to implementing SkipList in Java.
Install Java on macOS
Learn how to install Oracle JDK via DMG package and OpenJDK via Homebrew package manager
Code Coverage vs. Test Coverage
A quick tutorial on the differences between code coverage and test coverage.
Introduction to Brave
Explore Brave, a popular distributed tracing instrumentation library in the Java ecosystem.
Intro to the Apache Commons Compress Project
In this tutorial, we explore Apache Commons Compress, a library for file compression, archiving, and extraction. It supports various formats like TAR, ZIP, GZIP, BZIP2, and more.
Create and Run Apache JMeter Test Scripts via Java Program
Learn how to create and execute Apache JMeter test scripts programmatically using the JMeter Java API.
Join Two Tables Using jOOQ
Explore various types of joins available in jOOQ.
New Features in Java 21
Learn about the new features of Java 21, like record patterns and switch enhancements for cleaner code.
Introduction to Light-4J
Learn the core philosophy, key features, and architectural concepts of the Light-4j library.
The Difference Between Throwing an Exception and Mono.error() in Spring Webflux
In this tutorial, we learn the differences between throwing an exception and Mono.error() in Spring WebFlux.
How to Test Spring Application Events
Learn how to test code that uses Spring application events.
Continue With Transaction After Exception in JPA
Understand when continuing with the transaction after encountering an exception may be necessary and learn how to handle this in Spring JPA.
How to Check Number Perfection
This article explores perfect numbers and three methods to identify them: brute force, stream-based, and Euclid-Euler theorem.
Querying JSONB Columns Using Spring Data JPA
Explore various approaches for querying JSONB columns using Spring Data JPA