Take a look at implementing a sorted binary tree in Java.

Learn how to measure Java object sizes with various tools such as JOL, Java Agents, and the jcmd command-line utility

Learn to use the SetUtils API of Apache Commons Collections library.

A quick and practical guide to writing to CSV in Java.

Explore how to solve an algorithmic problem of finding whether the two given rectangles overlap with each other, using Java.

Discover how to solve the "Stream has already been operated upon or closed" exception in Java.

Explore the purpose of each technology, its lifecycle, and prominent features.

Learn the cause of ArrayStoreException, how to handle it, and best practices for avoiding it

1. Introduction In this part of the tutorial we are going to continue our journey to learn more about the GraalVM project, focusing specifically on the

One of the main reasons I blog is to remind myself how easily one can use software development techniques to make bad decisions. I do it myself all the

Learn how to write a Java InputStream to a Java OutputStream.

Explore different ways to copy a List to another List in Java and a common error produced in the process.

I’ve created an example how to implement an undo feature in a Quarkus application that uses a Neo4J database. From a user perspective, an undo action

To make our code portable between operating systems, we need to handle the directory and path separator characters correctly. We look at a few ways that Java can help use the correct characters for the host operating system.

Learn that there is more than one way to find JAVA_HOME, including a platform-independent one.

Learn how to use MultiValuedMap from the Apache Commons Collections library to map each key to a collection of values in Java.

An OpenJDK with JWarmup and coroutines, pattern matching for arrays, JVM performance rabbit hole, distributed metadata management, and a more effective developer experience!

Read up on how to code selection sort in Java, how it works, and what its complexity is.

Explore the similarities and differences between two constructs in Java generics.