Development tools for continuous software delivery
Software developers build applications faster when they have the right tools. Review the essential tools every software developer needs, such as Git, Jenkins, IDEs such as Eclipse and build tools including Maven and Gradle. Also, gain insight into how AI and machine learning are pushing software development tool capabilities to new levels to help developers generate quality code.
Top Stories
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Quiz
16 Sep 2025
More AWS Cloud Practitioner practice exam questions
Ready to take the next step in your cloud career? These AWS cloud practitioner practice exam questions will test your knowledge about key AWS services and capabilities. Continue Reading
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Quiz
04 Sep 2025
10 questions for AWS Certified Cloud Practitioner exam prep
Technical IT professionals could benefit from an AWS Certified Cloud Practitioner certification on their resume. These 10 questions can help gauge your exam readiness. Continue Reading
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Video
06 Nov 2024
Spring vs. Spring Boot vs. the Spring Framework
Ever wonder what the distinction is between Spring Boot and the Spring Framework? Or exactly what the term 'Spring' refers to? Here's your answer. Continue Reading
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Video
01 Nov 2024
Java, JDBC and Postgres
Postgres has become popular in the Java community for many reasons. The ease of integration with Java apps through JDBC is one of the biggest. Here's how it works. Continue Reading
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News
29 Oct 2024
GitHub Copilot Autofix expands as AI snags software delivery
GitHub Copilot Autofix could help vulnerability management keep pace as the volume of AI-generated code swamps delivery processes, but can AI be trusted to rein in AI? Continue Reading
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Definition
23 Oct 2024
What is Apache JMeter?
Apache JMeter is open source software for load testing applications and measuring their performance. Continue Reading
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Video
15 Oct 2024
How Spring Boot @Component and @ComponentScan annotations work
There are many ways to configure Spring's ApplicationContext. The easiest way? That's through Spring's Component and ComponentScan annotations. Here's how to use them. Continue Reading
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News
11 Oct 2024
Buildkite: CI/CD pipelines still a job for app developers
In an era of platform engineering, Buildkite and its high-scale users maintain that CI/CD pipelines and testing should remain the purview of app developer teams. Continue Reading
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Video
11 Oct 2024
Git commit message conventions and best practices
Never underestimate the power of a good git commit message. Need help writing one? Here are the commonly accepted git commit message guidelines and best practices. Continue Reading
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Video
10 Oct 2024
Spring profiles in Spring Boot tutorial
Ever struggle with the constant discrepancies between dev, UAT and production? Spring profiles make such configuration issues a thing of the past. Here's how they work. Continue Reading
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Tip
08 Oct 2024
HCL vs. JSON: Configuration language uses, pros and cons
HCL and JSON are similar configuration languages. These languages are meant for specific IaC scenarios, so companies should understand the syntax and editing tools for each. Continue Reading
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News
03 Oct 2024
OpenAI shows developers what is possible with speech tool
The AI vendor introduced four new offerings for enterprises. Its Realtime API is notable for its speech-to-speech capability. Meanwhile, the startup is growing explosively. Continue Reading
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Video
01 Oct 2024
Dependency injection in Spring
There's more to dependency injection than calling parameterized constructors and passing components to methods. This tutorial examines what it means to support DI and IoC. Continue Reading
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Definition
27 Sep 2024
What is Jenkins and how does it work?
Jenkins is an open source continuous integration/continuous delivery and deployment (CI/CD) automation software DevOps tool written in the Java programming language. Continue Reading
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Video
23 Sep 2024
Get started with Spring Tools Suite 4
Getting started with Spring Boot has never been easier. The Spring Tools Suite for Eclipse comes with everything you need to write, compile and test your Spring-based apps. Continue Reading
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Tip
23 Sep 2024
Amazon Bedrock vs. SageMaker JumpStart for AI apps
Amazon Bedrock and Amazon SageMaker JumpStart both provide AI models for applications. Bedrock offers readily available models, while JumpStart supports more customization. Continue Reading
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Video
19 Sep 2024
Inversion of control in Spring
All enterprise development frameworks are built around inversion of control. This IoC example demonstrates how it manifests itself in frameworks like Spring and Jakarta EE. Continue Reading
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News
12 Sep 2024
Docker pricing changes hike mid-tier costs
Docker adds features but raises Pro and Team prices and adds consumption-based Docker Hub pricing for container image pulls and storage. Continue Reading
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Definition
11 Sep 2024
What is a software stack?
A software stack is a collection of independent components that work together to support the execution of an application. Continue Reading
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Definition
10 Sep 2024
What is a sprint (software development)?
In Agile product development and software project management, a sprint is a set period of time during which specific work has to be completed and made ready for review. Continue Reading
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Video
06 Sep 2024
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. Continue Reading
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Video
04 Sep 2024
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. Continue Reading
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Video
26 Aug 2024
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. Continue Reading
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Video
22 Aug 2024
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. Continue Reading
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Video
19 Aug 2024
Spring Web MVC crash course
There's still a place in the world for server-side rendering. Learn the Java way to build HTTP responses on the server with this Spring MVC crash course for beginners. Continue Reading
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Video
16 Aug 2024
How to deploy Spring Boot apps in AWS
You don't need a Kubernetes cluster to host your cloud-native Spring Boot microservices. Learn how to quickly deploy your Spring Boot applications in AWS using ECS and Fargate. Continue Reading
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News
14 Aug 2024
GitHub Copilot Autofix tackles vulnerabilities with AI
GitHub says Copilot Autofix drastically reduced the median time to remediate vulnerabilities in beta testing from 90 minutes for manual fixes to 28 minutes with the GenAI tool. Continue Reading
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Video
13 Aug 2024
Standalone Spring Boot console apps with CommandLineRunner
Want to create a Spring Boot application that runs at the command line? It's easy. Simply implement the CommandLineRunner interface, and override the required run method. Here's how. Continue Reading
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Tip
08 Aug 2024
12 CI/CD best practices for DevOps teams
Building and maintaining a CI/CD pipeline requires more than just chains of automation. Adopt these CI/CD approaches to maximize your development and deployment efforts. Continue Reading
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Video
06 Aug 2024
OpenAPI, Swagger and Spring Boot REST APIs
It's easy to integrate Swagger into your Spring Boot apps with SpringDoc's OpenAPI starter. Code generation, documenting REST APIs and testing endpoints has never been easier. Continue Reading
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Blog Post
04 Aug 2024
Best crash course to learn Jenkins from scratch
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. Continue Reading
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News
02 Aug 2024
AWS CodeCommit, Cloud9 closure communication critiqued
AWS CodeCommit gives up the Git ghost to competitors, while a lack of advance notice to users has some IT pros questioning the future of other services. Continue Reading
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Definition
31 Jul 2024
What is API testing? Everything you need to know
API testing is a type of software testing that analyzes an application programming interface (API) to verify that it fulfills its expected functionality, security, performance and reliability. Continue Reading
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Definition
29 Jul 2024
What is REpresentational State Transfer (REST)
REST (REpresentational State Transfer) is an architectural style for developing web services and systems that can easily communicate with each other. Continue Reading
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News
26 Jul 2024
Researcher says deleted GitHub data can be accessed 'forever'
Truffle Security researcher Joe Leon warned GitHub users that deleted repository data is never actually deleted, which creates an "enormous attack vector" for threat actors. Continue Reading
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Tip
26 Jul 2024
Guide to synthetic test data
Synthetic data can replicate real-world scenarios in software testing. Discover how synthetic data addresses challenges posed by real-world data while preserving its advantages. Continue Reading
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Definition
23 Jul 2024
What is computer-aided software engineering (CASE)?
Computer-aided software engineering (CASE) describes a broad set of labor-saving tools and methods used in software development and business process modeling. Continue Reading
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Definition
12 Jul 2024
test-driven development (TDD)
Test-driven development (TDD), also called test-driven design, is a software programming method that interlaces unit testing, programming and refactoring on source code. Continue Reading
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Tip
27 Jun 2024
Cypress vs. Playwright: When to use each
Cypress and Playwright stand out as notable options among the many automated testing tools available. Learn how to make an informed choice between them. Continue Reading
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Definition
25 Jun 2024
Open Database Connectivity (ODBC)
Open Database Connectivity (ODBC) is an open standard application programming interface (API) that allows application programmers to easily access data stored in a database. Continue Reading
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Tip
10 Jun 2024
5 Java ORM tools to know
ORMs are a popular method for connecting to databases from Java. Consider the tradeoffs of these ORM tools to decide which tool to run with. Continue Reading
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News
29 May 2024
JFrog-GitHub partnership eyes software supply chain security
JFrog and GitHub released a set of focused integrations that provide better visibility across the software supply chain and advance the idea of 'EveryOps.' Continue Reading
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Video
15 May 2024
Jira story vs. epic: What's the difference?
Anyone who has opened a Scrum board in Jira knows projects are organized into stories and epics. But what exactly is the difference between the two of them? Continue Reading
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News
14 May 2024
What Google Gemini AI updates mean for software developers
Google's AI dev tools deliver natively multi-modal models that can process huge amounts of data more efficiently and affordably, making it easier to develop apps using AI. Continue Reading
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Definition
29 Apr 2024
integrated development environment (IDE)
An integrated development environment (IDE) is a software suite that consolidates basic tools required to write and test software. Continue Reading
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Video
10 Apr 2024
Jira story vs. task: What's the difference?
To help teams progress from vision to implementation, Jira provides stories and tasks. Here's the difference between a Jira story and a task. Continue Reading
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Video
08 Apr 2024
Learn Jenkins: Tutorial for beginners
Jenkins is a popular open source CI/CD tool, and it's not hard to learn either. Learn to build your own CI/CD pipelines with this full Jenkins tutorial for beginners. Continue Reading
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Video
02 Apr 2024
Undo and revert pushed Git commits
If you want to undo a git push, you have one of two options: revert or reset. It's safest to revert a pushed commit, but a reset is only to permanently delete a pushed commit. Continue Reading
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Video
28 Mar 2024
Simple git stash example
The 'git stash' command is a powerful tool, but few developers know how to use it. Here's an example of how to create a Git stash and pop it back later. Continue Reading
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Blog Post
22 Mar 2024
Imperative Git commit messages in the active tense or mood
The pundits all say Git commit messages should be written in the imperative tense. I say that's outdated thinking. Continue Reading
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Video
19 Mar 2024
Learn Maven tutorial for beginners
Apache Maven is the Java world's most popular build tool, and if you're a Java developer, it behooves you to learn it. This Maven tutorial will make you an expert in a hurry. Continue Reading
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Video
19 Mar 2024
Edit, change or amend the last Git commit message
When you need to edit a Git commit message, the amend command allows you to change the previous one. Continue Reading
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Definition
19 Mar 2024
scripting language
A scripting language is a type of programming language in which the instructions are interpreted individually at runtime. Continue Reading
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Definition
13 Mar 2024
headless browser
A headless browser is a web browser without a graphical user interface (GUI). Continue Reading
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Video
12 Mar 2024
Learn how to use GitLab tutorial for beginners
GitLab is a complete CI/CD platform. But to really understand GitLab, you must also understand its namesake Git. This Git and GitLab tutorial will get you up to speed on both. Continue Reading
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Tip
07 Mar 2024
Understanding code linting techniques and tools
Linting is an important preliminary step in the debugging process. Learn how fixing simple errors early on makes code easier to work with and improves coding practices. Continue Reading
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Video
05 Mar 2024
Full Git and GitLab tutorial for beginners
This Git and GitLab tutorial is designed to get beginners up to speed quickly on how to use these CI/CD and DevOps tools to manage, merge and share code commits with other devs. Continue Reading
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Blog Post
01 Mar 2024
How to git push an existing project to GitLab
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. Continue Reading
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Blog Post
25 Feb 2024
Set a Git stash message. Pop with a Git stash name
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 stash by name. Continue Reading
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Video
23 Feb 2024
How to use the git init command
Follow this git init tutorial to create a local repository, add files to the repo and perform commits on your local machine as you get started with distributed version control. Continue Reading
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Video
23 Feb 2024
Top 10 differences between GitHub and Git
Enterprise development teams need to know these major differences between Git and GitHub, but also how they serve different purposes and be used together effectively. Continue Reading
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Blog Post
23 Feb 2024
How to list and show the git stash history
Show your shelved change history with git stash list and show. Continue Reading
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News
23 Feb 2024
GitHub Copilot replicating vulnerabilities, insecure code
Research from Snyk shows that AI assistants such as GitHub Copilot, which offer code completion suggestions, often amplify existing bugs and security issues in a user's codebase. Continue Reading
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Blog Post
16 Feb 2024
git@github: permission denied (PublicKey) SSH error fix
Here are the three most common fixes to GitHub 'Permission denied (publickey)' SSH error. Continue Reading
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Video
08 Feb 2024
How to set a Git username and password in Git config
There's a way to stop Git from repeatedly asking you for a username and password. Just set your username and password in Git config. Continue Reading
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Video
07 Feb 2024
Git vs. GitHub: What's the difference?
Git and GitHub involve similar technology but are different in several important ways. Here's what you need to understand to get the most out of these key developer tools. Continue Reading
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Blog Post
02 Feb 2024
How to unstage a file in Git
Want to unstage a file in Git? Use the restore command. Other options to have Git remove a file from the staging index have unintended consequences you'd really rather avoid. Continue Reading
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Blog Post
30 Jan 2024
Quickly generate, add and setup GitLab SSH Keys
To connect Git operations securely to your GitLab repository, you will need to configure GitLab SSH keys both locally and remotely. Here's a quick example of how to do it. Continue Reading
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Blog Post
25 Jan 2024
How to find and use a GitHub URL by example
This example shows you how you can find and use the GitHub URL. Clone, fetch, push and pull to your remote repo easily with the GitHub URL at your disposal. Continue Reading
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Blog Post
15 Jan 2024
Set your username and email in Git config
Avoid Git's fatal 'unable to auto-detect email' error and set your username and email address in Git config. This global git config example shows you how. Continue Reading
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Definition
11 Jan 2024
Java compiler
A Java compiler is a program that takes the text file work of a developer and compiles it into a platform-independent Java file. Continue Reading
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Blog Post
09 Jan 2024
Install the Eclipse IDE on Windows video tutorial
Need to install the Eclipse IDE on Windows? This quick video tutorial shows you how to install Eclipse and build your very first Java application in the popular, open-source IDE. Continue Reading
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News
11 Dec 2023
Atlassian releases AI capabilities for Jira and Confluence
The new capabilities show the rising prominence of software development copilots and lay the foundation for better knowledge management in an organization. Continue Reading
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Tutorial
18 Oct 2023
How to tame Gradle dependency version management
Need to quickly and easily switch between versions of your dependencies at build time? Gradle's dependency catalogs are the answer. Here's how to use them. Continue Reading
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Tip
03 Oct 2023
Scrum master interview questions and answers
Want to ace the Scrum master interview? These tough Scrum master questions and answers will help you prepare. Continue Reading
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Blog Post
18 Sep 2023
Java vs. Python: Application code comparison
When you compare Java vs. Python application development in terms of simplicity, conciseness, security and performance, Java comes out on top in every category. Continue Reading
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Blog Post
12 Sep 2023
Is Python's GIL the software world's biggest blunder?
Python can't thread across cores, and the reason why dates back 30 years to a fatally flawed assumption that computers of the future would have only one CPU. Continue Reading
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Definition
10 Jul 2023
Java Mission Control
Java Mission Control is a performance-analysis tool that renders sampled JVM metrics in easy-to-understand graphs, tables, histograms, lists and charts. Continue Reading
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Blog Post
06 Jul 2023
Please make 'please' a sudo alias on your Linux box
There's something hubristic and self-effacing about issuing "sudo" commands. That's why I always say "please" instead -- and you should, too. Here's how to set "please" as an alias for "sudo" on ... Continue Reading
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Definition
27 Apr 2023
value stream mapping
Value stream mapping is a lean manufacturing tool that visualizes every repeatable step required to deliver a product or service to the customer. Continue Reading
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Definition
26 Aug 2022
JSON (JavaScript Object Notation)
JSON (JavaScript Object Notation) is a text-based, human-readable data interchange format used to exchange data between web clients and web servers. Continue Reading
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Answer
18 Apr 2022
What are checked vs. unchecked exceptions in Java?
Understand the difference between checked and unchecked exceptions in Java, and learn how to handle these problem conditions properly and gracefully. Continue Reading
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Definition
15 Oct 2021
JAR file (Java Archive)
A Java Archive, or JAR file, contains all of the various components that make up a self-contained, executable Java application, deployable Java applet or, most commonly, a Java library to which any Java Runtime Environment can link. Continue Reading
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Definition
15 Oct 2021
embedded Tomcat
An embedded Tomcat server consists of a single Java web application along with a full Tomcat server distribution, packaged together and compressed into a single JAR, WAR or ZIP file. Continue Reading
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Feature
17 Sep 2021
5 reasons why Java is still the best programming language
Here's why Java is still the most popular programming language for everything from mobile development to enterprise and server-side applications that empower the middle tier. Continue Reading
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Feature
07 Sep 2021
Java Iterator vs. Enumeration: Why Iterator is the right call
Do you need to loop through a collection of objects and need to decide between a Java Iterator or an Enumeration? Here's why you should choose an Iterator almost every time. Continue Reading
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Answer
28 Jul 2021
Git fork vs. clone: What's the difference?
Both Git fork and clone create copies of a repository, but they offer drastically different levels of access, isolation and control over the target repo. Continue Reading
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Feature
16 Jun 2021
How enterprises are building inclusive language in code
Inclusive language in code is just one step towards a diverse community, but it's a good place to start. It's a conversation more and more open source enterprises are tackling. Continue Reading
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Opinion
17 May 2021
How technologists should approach professional development
Old approaches to professional development don't stand up to the pace of change in the cloud-native world. Here's how DevOps professionals can cope. Continue Reading
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News
26 Mar 2021
Genuitec's CodeTogether 4.0 promotes pair programming
With Genuitec CodeTogether 4.0, development teams can work collaboratively even when remote. The product supports pair programming, mob programming and swarm programming. Continue Reading
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Guest Post
26 Mar 2021
Developers, 'Blazor' a new path to web app creation
Expert and Blazor blogger Chris Sainty explains how developers can use a free, open source framework, still under development at Microsoft, to create web applications. Continue Reading
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Blog Post
24 Mar 2021
Five examples of recursion in Java
We often debate the merits of iterative vs recursive Java code. Let’s take a look at 5 Java recursion examples and see where the concept of recursion fits. Continue Reading
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Feature
19 Mar 2021
Java garbage collection interview questions and answers
From stop-the-world events to the impact of JVM pause times, these are the Java garbage collection questions and answers developers need to know before an interview. Continue Reading
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Tutorial
18 Mar 2021
How to use Epsilon GC to stop Java garbage collection
The best way to stop Java garbage collection from happening is to use the experimental Epsilon GC, no-op garbage collector from JDK 11. Learn how and when to use it. Continue Reading
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Quiz
26 Feb 2021
A tough, 10-question Java garbage collection quiz
Do you know which Java garbage collector is deprecated and which is best for stateless apps? Test your knowledge in this Java GC algorithm and tuning quiz. Continue Reading
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Feature
11 Feb 2021
Use this Java performance tuning guide to optimize your JVM
There are two steps to Java performance tuning. First, assess your system to make sure it can improve. Then, optimize shared resources like CPU and memory. Continue Reading
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Feature
29 Jan 2021
5 Java performance profiling tips to help tune your JVM
Check out these Java performance tips, such as which profiling tool to use, what data you need to save as part of your CI/CD pipeline and how to incorporate AI. Continue Reading
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Answer
27 Jan 2021
How do Java sampling and JVM instrumentation differ?
These two approaches both aim to improve Java performance and can be done together. But there is a fundamental difference between instrumentation and sampling. Continue Reading
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Answer
27 Jan 2021
How to fix high Java CPU usage problems
The root cause of high Java CPU usage is not always simple to diagnose. Let's go over some common misdirections and review what often causes the problem under the hood. Continue Reading
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Quiz
22 Jan 2021
Test your knowledge of JVM profiling tools with this quiz
Since their inclusion in Java 11, Java Flight Recorder and JDK Mission Control have become the de facto Java profiling tools for the JVM. Test your knowledge with these 10 questions. Continue Reading
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Answer
19 Jan 2021
JVM tuning vs. Java optimization: What's the difference?
JVM tuning and Java optimization sound similar, and both aim to boost application performance. But they take fundamentally different approaches to accomplish their goals. Continue Reading
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Video
30 Oct 2020
A GitHub Pages tutorial on how to host personal websites
Follow these steps to set up a GitHub repository, clone the repo and host a personal website on GitHub Pages with contents indexable by Google. Continue Reading