Learn how to calculate the median of a stream of Integers using Heap

A quick and practical guide to reversing a binary tree in Java.

A quick and practical guide to the OrderedMap interface and implementations from the Apache Commons Collections library.

Hello Friends, In this tutorial, we will discuss Builder design pattern. Key topics we are going to discuss are : - Which category Builder Design Pattern

I have immersed myself in the digital identity space for the past few years. A good chunk of this work involves reading (and sometimes creating)

Jmix is the new name and the new major release of CUBA Platform. It is now in Preview and we are aiming to release Stable version in Q2 2021. Key

Learn about the various ways in which we can operate on an item in a Java 8 Stream and then remove it once the operation is complete.

Explore how to create a null-safe stream from a given collection.

Learn how to use data from one stream to find items in another

Learn how to use a byte array as a key in a Java HashMap.

Finding if an integer's square root is also an integer is an interesting subject. Let's look at some techniques we can use.

A quick and practical guide to picking a random item/items from a List in Java.

A quick and to-the-point introduction to nested classes in Java.

Pattern matching and guards, fat JARs, Reactive Hibernate, HTTP clients and Project Reactor, timed leasing for distributed systems, and when to say No!

A quick introduction to LMAS Disruptor and the usage of Disruptor API

Learn how to evaluate math expressions expressed in String format in Java using exp4j, Javaluator, and the Java Scripting API.

A quick and practical introduction to Java 8 Streams.

A quick take on a Java solution for a simple math problem

Learn how to use the Jetty ReactiveStreams HTTP Client.