Java Development Tools

Java development tools are supported by many platforms and numerous plugins exist to extend the capabilities. In this section, get the latest news on development tools, find advice on how to optimize your use of Java, and follow tutorials to improve your skills when using Java development tools. Learn about valuable tools including the integrated development platform (IDE), and discover tools and plugins you can use to create programs in Java.

June 10, 2022 10 Jun'22
How to git push an existing project to Bitbucket

Follow these simple steps to push an existing project to a Bitbucket repo, and successfully add all of the code on your local machine into a remote Bitbucket repository.
June 10, 2022 10 Jun'22
Java array size, length and loop examples

How do you find the size of a Java array? How do you size Java arrays when you create them? And is the Java array size fixed? Here we answer all of your questions about the size of a Java array.
June 09, 2022 09 Jun'22
How to run a Jar file

How do you run a JAR file on Windows, Mac or Linux? Double click the JAR? Run the JAR at the command line? Several approaches will work if you have Java or the JDK installed.
February 08, 2022 08 Feb'22
How to convert a PEM file to PPK format example

Need to SSH into a remote server with PuTTY but your PEM file just won do the trick? Here's a quick example of how to convert a PEM file to PPK format with PuTTYGen so your SSH sessions with PuTTY ...

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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
An example of how suppressed exceptions in Java work

Don't ignore suppressed exceptions. In this quick tutorial we show you how to anticipate when code will throw suppressed exceptions, along with the best practices to handle them. Continue Reading
A simple 'try with resources' in Java example

Java's 'try-with-resources' exception handling feature can help you write better, more effective Java code. Here's a quick example of the try with resources construct in action. Continue Reading

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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
Library vs. framework: How these software artifacts differ

Libraries are low-level components that deliver a specific function, such as establishing a network connection. A framework is a known programing environment, such as Spring Boot. Continue Reading
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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Why GitHub renamed its master branch to main

The GitHub master branch is no more. Developers used to think it was untouchable, but that's not the case. Here's why GitHub made the switch from master branch to main branch. Continue Reading
RPA skills in demand as organizations eye better engagement

RPA developer skills are among the most valuable on any resume. Here's why organizations seek out developers with these skills and what returns RPA can deliver to an enterprise. Continue Reading
How to edit the Ubuntu hosts file and ping a domain name locally

Here's a quick video example of how to do an Ubuntu hosts file edit. This is useful for development and testing when a developer wants to mimic a production domain name locally. Continue Reading

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How to revert a Git commit: A simple example

The git revert command is commonly misunderstood. In this quick tutorial, we will show you exactly how the command works and how to perform a simple undo in your repo. Continue Reading
An example of how to easily add Git submodules

This git submodule add example demonstrates how a developer can use these steps to create a Git repository and add a new Git submodule to it. Continue Reading
Fix the Jenkins Docker error: Permission denied when trying to connect to Docker daemon

Here's a quick fix to the Jenkins Docker"Permission denied while trying to connect to the Docker daemon socket" error. Continue Reading