Learn how to securely hash passwords in Java and why MD5 is so insecure.

Explore how to map collections using MapStruct.

Learn how to convert certificates and private keys from a Java KeyStore into PEM format using keytool and openssl.

Interested to learn about Collectors.groupingBy()? Check our article explaining how to group by multiple fields using Streams.

A guide to java.util.concurrent.CountDownLatch with concrete examples

Quick and practical introduction to Reactive Streams in Java 9.

A quick and practical guide to Java NIO2 File API

Interested to learn about Thread Pools? Check our article explaining how to create custom thread pools in Java 8 for bulk data processing

With AWS CDK, we can codify our infrastructure in Java code. In this article, we're going to explore an opinionated way of designing a CDK project to make its components re-usable and easily extensible.

It's always challenging to maintain and extend multilingual applications. This article covers how to use the ResourceBundle to cope with the varieties that come up when you need to provide the same content to different cultures.

Learn about the Big Queue, a Java implementation of a persistent queue.

A quick guide to the double colon operator in Java 8 and how it should be used in practice.

Explore Java's Type Inference, that along with generics and Lambda Expression enables us to write concise Java code.

A quick example and explanation of constructors of the standard String class in Java.

Learn some of the basic steps needed to load JDBC drivers

A thread dump is a snapshot of the states of all the threads in an application. They are useful to identify the root cause of various problems in live applications. In this post, we will look at the contents of a thread dump, different means of generating…

How to convert the values of a Map to an array, List or Set using plain Java.

Learn about suppressed Exceptions in Java and how to work with them.

Nowadays spring boot and spring data are widely used frameworks. If you are building web application in java, spring boot is the first choice. If you have

An intro to the reMap Java mapping library that has a focus on minimal testing overhead.