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Simple Spring Hello World program

Many developers work with Spring Boot every day but don't really understand how dependency injection works. Build your foundation in Spring with this simple Hello World program.

Model-view-controller design pattern tutorial

How well do you know the MVC design pattern? The basic concept is simple, but the details trip up many developers. This deep dive explores what MVC is and how to best implement it.

Spring Boot vs. Spring MVC: What's the difference?

You've used Spring Boot to build microservices. You've also used Spring MVC. But what's the difference? Here we look at the differences between Spring Boot and Spring MVC.

Sprint review vs. retrospective: What's the difference?

While the purposes of Scrum sprint planning and the daily standup are self-evident, people often confuse the sprint review and retrospective. Here's the difference between them.

How to dockerize Spring Boot apps

Spring Boot and Docker naturally fit together. Here's how to dockerize your Spring Boot application in just a few easy steps.

Coffee Talk: News & Insight

Code a tic-tac-toe game in Java
Cameron McKenzie 18 Jun 2024
The best way to learn to code? Code up some fun games from your childhood. Here's how to code the popular tic-tac-toe game in Java.
Git pull vs fetch: What's the difference?
Cameron McKenzie 17 Jun 2024
Want to know the difference between git fetch and pull commands? This quick pull vs. fetch comparison explains how the two commands affect your working ...
Worlds toughest core Java interview question
Darcy DeClute 08 Apr 2024
The trickiest Java interview question ever asked? In five words or less, explain the red 'x' the Eclipse IDE displays at the end of the provided Java code ...
What is MVCC? How does multiversion concurrency control work?
Cameron McKenzie 04 Apr 2024
Want to learn how multiversion concurrency control works? With a very simple MVCC example, we'll explain how to eliminate locks in databases including ...
Best crash course to learn Jenkins from scratch
Cameron McKenzie 04 Mar 2024
Need to learn Jenkins CI fast? This Jenkins tutorial will quickly get you up to speed on how to use the popular CI/CD tool.
How to git push an existing project to GitLab
Cameron McKenzie 01 Mar 2024
Want to push a new project into an existing GitLab repository? Follow these steps, but beware one way that will work but might cause trouble on a shared repo.
Brackets vs braces vs parentheses: What's the difference?
Darcy DeClute 27 Feb 2024
Stop using the terms square brackets, round brackets and squiggly brackets. Use the terms braces, brackets and parenthesis instead. Here's the difference ...
Set a Git stash message. Pop with a Git stash name
Cameron McKenzie 25 Feb 2024
Developers need to name their git stashes and add a message if they want to easily identify them in the future. Here's how to pop and apply a specific Git ...
How to list and show the git stash history
Cameron McKenzie 23 Feb 2024
Show your shelved change history with git stash list and show.
Git branch rename: Command to change a branch name in Git
Cameron McKenzie 21 Feb 2024
Here's a quick example that shows you how to rename a Git branch locally and remotely. The branch renaming commands and techniques work with GitHub, GitLab, ...