Spring Boot Thin Launcher and Docker, Spring Boot Thin Launcher Yesterday, I played with the Spring Boot Startup Bench. Started enjoying spring-boot-startup-bench Mitz ・ Oct...

Lessons learned about performance,Performance is a world that is always in the minds of all developers and engineers. Many things used among tools, libraries, frameworks and techni...

Started enjoying spring-boot-startup-bench,Following s1p tweets, I found an interesting one this morning. Marcin Grzejszczak @mgrzejszczak Wat?! @david_syer shows that you can run ...

Java Streams Cheat-sheet.,Namastey community, Recently I started learning Streams (because you come across streams a lot while solving competitive programming -_-) and somehow I am...

How do you write 'Production Code' for UnitTest?, Introduction UnitTest is very important for keeping code quality. So almost project require to write UnitTest. As a result, I will...

Streams in Java,Hi everyone. This year I worked on learning more Javascript, but I continue to work with Java for my desktop works. This week I needed to develop a small functional...

Java 11's Future,Hey guys, I am sure you all would've heard of the new JDK 11. Oracle has released it under the LTS banner. It has new features and improvements. If you have heard ...

Writing Assertions for String Objects using Hamcrest and JUnit,In this post, I will show you how to write assertions for String Objects making use of the Hamcrest Library when writ...

Building a 22 Megabytes Microservice with Java, Javalin and GraalVM,Oracle's GraalVM allows for ahead-of-time (AOT) compilation of JVM applications. This means, instead of running ...

Dev recipes: Integrate React frontend in a Java corporate environment, The Problem You find yourself in a Java environment and want to write a frontend or testpage with React? You ...

Copy Excel Range to Worksheet in Java,Microsoft Excel Range can contain a single cell or multiple cells. It has a start cell and end cell. All the cells that lie within start cell ...

Showdev: Coworker - A New Job Queue for the JVM,If you've ever written a ruby on rails app you'll know a very common pattern is to have a Job Runner, like Delayed Jobs, Sidekiq, or...