Learn how to perform complex-number operations in Java.
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SkipList Implementation in Java
A quick and practical guide to implementing SkipList in Java.
Introduction to DuckDB
Learn about the advantages of the DuckDB database and some fundamental operations via illustrative examples
Install Java on macOS
Learn how to install Oracle JDK via DMG package and OpenJDK via Homebrew package manager
Get the Response Body in Spring Boot Filter
Learn to retrieve the response body from a ServletResponse in a Spring Boot filter.
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.
Set Matrix Elements to Zero in Java
In this tutorial, we learn various approaches to setting a matrix’s entire row and column to zero if one of the elements is zero.
New Features in Java 21
Learn about the new features of Java 21, like record patterns and switch enhancements for cleaner code.
Java Weekly, Issue 537
Record as DTOs, stream peeking, JUnit 5 parameterized tests, Java 22, and idempotency key!
Introduction to Light-4J
Learn the core philosophy, key features, and architectural concepts of the Light-4j library.
Checking Which Java Version Is Running in Eclipse
This tutorial delves into determining the Java version in Eclipse, emphasizing the distinction between Eclipse’s global Java version and project-specific configurations.
How to Check Number Perfection
This article explores perfect numbers and three methods to identify them: brute force, stream-based, and Euclid-Euler theorem.
Java Weekly, Issue 536
News on Java evolving through JEPs and an exploration of the Azure Spring Apps platform from Microsoft (and VMware). A solid week.
Logging in Spring Boot With Loki
Learn how to send Spring Boot application logs to a Grafana Loki server.
Find Map Keys with Duplicate Values in Java
Learn how to find map keys associated with duplicate values in Java.
Java Weekly, Issue 535
Out with the RestTemplate (again), a look back, yes, back, at the just released Java 22 and forward at Java 23. And a solid piece on why we should fight against context-switching.
Java InputStream vs. InputStreamReader
Learn how an InputStreamReader builds on an InputStream to assist when working with streams of characters.
Flatten a Stream of Maps to a Single Map in Java
Learn to combine a stream of maps into a single result map in Java.