Java project management
Project management is a major component of server-side application development. Having talented coders who are capable of writing intricate and innovative components is not enough. Enterprise applications require architects and software project managers that can oversee Java project management, organizing those talented Java developers into a cohesive development effort. Learn how to better manage an enterprise Java development team with project management tips, development lifecycle tutorials, news and advice on Agile methodologies, and application lifecycle management (ALM) coverage including requirements gathering, design, testing and deployment.
Top Stories
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Tip
25 Oct 2022
The differences between Java and TypeScript devs must know
Do you know Java? Are you trying to learn TypeScript? Here are five differences between TypeScript and Java that will make the learning transition easier. Continue Reading
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Tip
20 Oct 2022
Product owner vs. product manager: What's the difference?
The job a product manager does for a company is quite different from the role of product owner on a Scrum team. Learn key differences between a product owner and product manager. Continue Reading
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Blog Post
15 Nov 2022
JDBC Driver Types Explained
Here we explain the difference between the four JDBC driver types, and we explain how to you choose the right JDBC driver for your database-driven Java apps. Continue Reading
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Blog Post
14 Nov 2022
Introduction to JDBC with HSQLDB tutorial
Here's a quick JDBC with HSQLDB tutorial to get you up and running with Java database connectivity and the popular HyperSQL database. Continue Reading
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Blog Post
08 Nov 2022
What is the full form of JDBC?
Some argue the full form of JDBC is Java Database Connectivity, while others argue it is a trademarked term and doesn't actually stand for anything. So which side of the debate is right? Continue Reading
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Blog Post
08 Nov 2022
Three interview success tips for tech job candidates
Don't be intimidated by an upcoming tech job interview. These tips will help you prepare how to answer tech questions and present yourself to give it your best shot. Continue Reading
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Blog Post
04 Nov 2022
Docker interview questions for developers
Get a handle on these Docker interview questions to get a leg up on your next job, and a successful career using containers in your day-to-day activities. Continue Reading
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Blog Post
01 Nov 2022
Four interviewing techniques to evaluate a tech hire
Looking for the right tech hire for your team? These four interviewing techniques will help you gauge a candidate's skills and strengths to contribute to your team. Continue Reading
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Blog Post
28 Oct 2022
Hands-on Kubernetes interview questions
Review these in-depth Kubernetes interview questions and answers to showcase your applied knowledge of Kubernetes and container orchestration. Continue Reading
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Tip
25 Oct 2022
The differences between Java and TypeScript devs must know
Do you know Java? Are you trying to learn TypeScript? Here are five differences between TypeScript and Java that will make the learning transition easier. Continue Reading
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Tip
20 Oct 2022
Product owner vs. product manager: What's the difference?
The job a product manager does for a company is quite different from the role of product owner on a Scrum team. Learn key differences between a product owner and product manager. Continue Reading
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Blog Post
12 Oct 2022
My five-point ranking system to evaluate tech candidates
Worried about hiring the wrong tech candidate? Here's a tried and true, five point evaluation system that has regularly proven itself in the field. Continue Reading
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Quiz
05 Oct 2022
Introduction to Scrum quiz
Want to prove your knowledge of Scrum? Tackle this 10-question Scrum introduction quiz and see how well you know the Scrum Masters, product owners and the Scrum Guide. Continue Reading
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Blog Post
05 Oct 2022
Taking REST APIs to the next level with hypermedia and HATEOS
Adding hypermedia links to REST APIs expands resource data abilities and improves users' experience. This walkthrough explains the ins and outs of REST APIs with hypermedia and the HATEOS technique. Continue Reading
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Quiz
30 Sep 2022
10 tough Scrum Master quiz questions
Here's a tough 10 question Scrum Master quiz to test you on how well you know the responsibilities of this important Scrum role and accountability. Continue Reading
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Quiz
29 Sep 2022
10 tough Agile quiz questions for software developers
Ready to embrace Agile for your software development projects? Take this quiz to gauge your grasp of the basics of Agile, and the core values and principles of the Agile Manifesto. Continue Reading
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Blog Post
28 Sep 2022
Understanding the Kubernetes Container Runtime Interface
The Kubernetes Container Runtime Interface adds options beyond Docker for container orchestration. Here's a rundown of how Kubernetes and the CRI work. Continue Reading
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Infographic
22 Sep 2022
Agile infographic: 10 facts about the Agile Manifesto
How well do you know the Manifesto for Agile software development? Here are 10 interesting facts about the Agile Manifesto's principles and values. Continue Reading
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Feature
21 Sep 2022
Forward proxy vs. reverse proxy: What's the difference?
Forward and reverse proxies secure and isolate resources that reside on a private network, but they play different roles in modern enterprise architectures. Continue Reading
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Tip
20 Sep 2022
Abstract pattern recognition skills aid developers and musicians
What do good programmers and musicians have in common? The ability to recognize and apply abstract patterns helps both roles keep their work in harmony. Continue Reading
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Tip
15 Sep 2022
Agile vs. Waterfall: What's the difference?
The contrasts between Agile and Waterfall are stark. Here we compare these two popular development methods, and show you the key differences between Waterfall versus Agile. Continue Reading
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Blog Post
14 Sep 2022
What is MVCC? How multiversion concurrency control works
Want to learn how multiversion concurrency control works? With a very simple MVCC example, we'll explain how to eliminate locks in databases including PostgreSQL and etcd. Continue Reading
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Blog Post
13 Sep 2022
Hierarchical Kubernetes namespaces explained by example
Confused by hierarchical namespaces in Kubernetes? In this Kubernetes tutorial we'll examine what hierarchical namespaces are, how to add them to a Kubernetes cluster and then how to use them. Continue Reading
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Blog Post
11 Sep 2022
Java's JOptionPane showOptionDialog by Example
Don't do user input with a boring Scanner on InputStream. Use the JOptionPane. And really blow your clients away by mastering the JOptionPane's showOptionDialog method. Continue Reading
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Blog Post
09 Sep 2022
Java Exception handling best practices
Don't let the complexities of Java Exception handling get you down. Follow these top 10 Java Exception handling examples and you'll be an expert in handling errors in your Java code. Continue Reading
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Blog Post
02 Sep 2022
10 Agile takeaways from the latest Scrum Guide
Learning the Scrum basics? Need a quick Scrum overview? Here are 10 interesting facts from the latest Scrum guide that every Agile developer needs to know. Continue Reading
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Tip
22 Aug 2022
5 tips to make the transition from programmer to manager
Developers who want to shift gears from programmer to manager must embrace a different mindset and various skills. These five tips will guide your path. Continue Reading
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Blog Post
08 Aug 2022
How to use Java's conditional operator ?:
Quickly learn how to use the Java ternary operator and see how this simple programming construct can help make your conditional logic, if statements and return statements clearer and more concise. Continue Reading
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Blog Post
08 Aug 2022
Java Scanner User Input Example
This tutorial on how to use the Java Scanner for user input will quickly show you how to import java.util, take String, int, double and char input, and teach you the difference between the ... Continue Reading
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Blog Post
07 Aug 2022
Java Scanner import
The easiest way to access the Java Scanner class is to import the java.util package into your code. But how exactly do you import the Java Scanner, and what exactly does it mean to import the ... Continue Reading
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Blog Post
06 Aug 2022
How to use Java printf to format output
Learn by example how format output with the Java printf method. If you want to format dates, times, integers, doubles and Strings in the text you output to the console, logs or streams, you'll need ... Continue Reading
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Blog Post
24 Jul 2022
How to format a Java String with printf example
The Java String printf method makes adding and formatting text incredibly easy. In this quick tutorial, you'll learn by example how to format, justify, pad and case output printed with Java's ... Continue Reading
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Blog Post
23 Jul 2022
Java Scanner String input example
Java's Scanner class provides a simple and effective way to handle user input. In this simple example, we show how to use Java's Scanner for String input with methods like next(), nextLine() and ... Continue Reading
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Blog Post
18 Jul 2022
How to format a Java int or long with printf example
Here's a quick tutorial on how to use printf to format Java int, long, short and byte values. It's pretty easy to do. And the output you can generate can be very visually appealing. Continue Reading
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Blog Post
18 Jul 2022
Java double brace initialization explained by example
Java's double brace initialization feature saves time and shaves off a few keystrokes when you initialize a Set or seed a List for testing. Here's a quick example of how to use Java's double brace ... Continue Reading
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Blog Post
17 Jul 2022
How to format a Java table with printf example
Why not make your console output look pretty? Create, format and print data tables with Java printf statements, along with a clever combination of dashes, pipelines and printf placeholders. Continue Reading
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Blog Post
13 Jul 2022
Java comment types by example
There are three types of Java comments developers need to know. Here we show you how to use block, inline and JavaDoc comments with simple examples to make best practices clear. Continue Reading
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Blog Post
12 Jul 2022
User input with Java's Console class
The Java Console class has greatly simplified user input in Java. The readLine method to get user input from the console, and the printf method for outpu, are way easier than using Java Scanner or ... Continue Reading
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Blog Post
10 Jul 2022
What is a Scrum commitment?
What are the 3 Scrum commitments and why do we need them? Most importantly, Scrum commitments provide transparency and focus, but their role in Agile software development goes far beyond that. Continue Reading
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Blog Post
08 Jul 2022
Agile vs DevOps: What's the difference?
Wondering how to choose between Agile or DevOps? You're in luck, but it's not about DevOps versus Agile. It's about how Agile and DevOps work together. Here we examine the similarities and ... Continue Reading
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Tip
29 Jun 2022
8 tech jobs that don't require coding
Looking for an IT job that doesn't involve coding? These eight tech roles are important in any organization, with no programming required. Continue Reading
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Blog Post
13 Jun 2022
How to format a Java double with printf example
Formatting output in Java doesn't have to be hard. Here's how to use Java printf with double values to control decimal precision, thousands groupings and character width when you format ... Continue Reading
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Blog Post
12 Jun 2022
How to setup the Nginx Proxy Manager Docker example
Learn how to setup and install the Nginx Proxy Manager from Docker Hub. This simple tool greatly simplifies the configuration of Nginx reverse proxy servers, asset caching, host redirecting and SSL ... Continue Reading
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Blog Post
11 Jun 2022
Example Java String palindrome checker program using recursion
There are many ways to write a Java String palindrome program. In this Java palindrome example we demonstrate recursion and how the use of loops, arrays, Scanner and the reverse method can improve ... Continue Reading
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Blog Post
10 Jun 2022
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. Continue Reading
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Blog Post
10 Jun 2022
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. Continue Reading
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Blog Post
10 Jun 2022
How do I install Java?
To install Java the right way, there are a few things to know. Just sort out the perquisites and you'll be able to install Java and the JDK in no time flat. Continue Reading
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Blog Post
09 Jun 2022
How do I find the Java array length?
How do you find the size of an array in Java? Just use the array length property. But there are some 'gotchas' to be aware of. Read this Java array length tutorial and stay clear of runtime errors ... Continue Reading
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Blog Post
09 Jun 2022
How do I find the Java String length?
The need to find the length of a Java String is a common programming requirement. Learn how to get the size of a Java String and avoid lengthy errors developers often encounter. Continue Reading
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Blog Post
09 Jun 2022
Java length vs length(): What's the difference?
Have you ever been confused between length and length() in Java? Here we show you the difference between Java length properties and methods, and when to use them in your code. Continue Reading
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Blog Post
09 Jun 2022
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. Continue Reading
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Blog Post
08 Jun 2022
'Java Not Recognized' Error Fix
Here are three easy ways to fix the 'Java not recognized as an external or external command' error on both Windows and Linux machines. Continue Reading
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Blog Post
07 Jun 2022
The best Jar file opener app
There are many Java JAR file openers available on the market today. Here are the top 5 JAR file openers for both Java developers and casual users to install on their Windows or Linux machines. Continue Reading
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Blog Post
07 Jun 2022
How to open a JAR file
You can open JAR files with any ZIP utility. A JAR file is just a special type of ZIP file. And to run a Java JAR file, just install Java and either double-click it or run the JAR file at the ... Continue Reading
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Blog Post
05 Jun 2022
How do I 'docker copy' a file from container to host?
Here's a quick example of how to copy a file inside a Docker container to the local filesystem of the host machine. With the ID or name of the container in hand, a Docker file copy operation is an ... Continue Reading
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Blog Post
04 Jun 2022
How to install Docker and docker compose on Ubuntu
Modern day development happens in containers. Which is why it's imperative that you know how to setup and install Docker and docker compose on your local Ubuntu workstation. In this tutorial, we'll ... Continue Reading
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Blog Post
01 Jun 2022
How do I install Java on Ubuntu?
Here's the easiest way to install Java on Ubuntu with apt. Follow these steps and you'll get the JDK installed in no time, and be ready to use your Java on Ubuntu setup right away. Continue Reading
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Blog Post
31 May 2022
How to create a database schema in MySQL
Want to work with MySQL databases using Java? Here's a quick walkthrough of the first step to do that: create a schema. Continue Reading
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Blog Post
31 May 2022
How can business leaders and IT improve communication?
The days when companies could afford to treat IT as simply the department that keeps the computers running are long gone. Technology delivers massive value to business leaders. Business ... Continue Reading
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Blog Post
31 May 2022
How should developers approach professional development?
There's a joke that goes like this: A doctor takes his Mercedes in for a brake job. When he picks up the vehicle the next day, the mechanic presents him with a bill for $2000. "Two thousand dollars ... Continue Reading
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Blog Post
31 May 2022
How to write an Agile user story
Agile user stories describe software project requirements as needed by different end users. Follow these guidelines to translate user needs into product features and business value. Continue Reading
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Blog Post
28 May 2022
How to setup an Nginx reverse proxy server example
Here's a quick tutorial to setup an Nginx reverse proxy server. This example uses an Apache Tomcat server but the config settings apply for other backend app servers such as Node, Express, ... Continue Reading
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Blog Post
28 May 2022
How to git push an existing project to GitHub
If you stared development before version control was set up, you may need to push your development project to an existing GitHub repo. This Git and GitHub example will show you the fastest way to ... Continue Reading
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Blog Post
27 May 2022
How to setup PHP on Nginx with fastCGI (PHP-FPM) example
Here's a quick tutorial on how to setup Nginx with PHP support. The key? The installation of fastCGI, aka PHP-FPM, so Nginx can serve PHP files to clients. Continue Reading
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Blog Post
24 May 2022
Create a GitHub Personal Access Token example
This walkthrough shows how to generate a GitHub personal access token, and use the GitHub personal access token to clone, pull, fetch and push changes back to your GitHub repository. Continue Reading
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Blog Post
24 May 2022
How to customize Git Bash Shell prompt settings
Want to style and customize your user and hostname properties that display in the Git Bash prompt? This quick example shows you how to quickly customize your Git Bash terminal window. Continue Reading
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Blog Post
22 May 2022
Columns vs rows: What's the difference?
Learn the difference between columns vs rows, and learn how the use of rows and columns to organize objects and information in spreadsheets and tables has improved various fields from data ... Continue Reading
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Blog Post
20 May 2022
Docker run vs docker-compose: What's the difference?
Both docker run and docker-compose can be used to start Docker containers, but there are key differences between the two. Here we explore the differences between docker-compose and docker run, and ... Continue Reading
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Blog Post
19 May 2022
Git commit config and credential confusion causes consternation for customers
A user who accidentally provides a GitHub username and password instead of the Git username and email address may have inadvertently published their security credentials to the world. Continue Reading
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Tip
19 May 2022
Agile versus Scrum: What's the difference?
What's the difference between Agile and Scrum? What are their similarities? Learn how to compare and contrast these two popular software development frameworks and methodologies. Continue Reading
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Blog Post
18 May 2022
Dockerfile vs docker-compose: What's the difference?
What's the difference between Dockerfile and docker-compose? These simple examples compare Dockerfile, the docker-compose.yaml file and important commands to build Docker images and run Docker ... Continue Reading
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Opinion
18 May 2022
How to communicate effectively in the workplace
Don't bury the lead. Grab your audience's attention early. Be graceful when others disagree. These and other tips will help you communicate more effectively with your peers. Continue Reading
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Blog Post
17 May 2022
How to setup an Apache reverse proxy server example
Most enterprise architectures use Apache as a reverse proxy, but it is not configured for that by default. In this quick tutorial, we show you how to configure an Apache reverse proxy for backend ... Continue Reading
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Blog Post
17 May 2022
How to use docker-compose with Apache httpd example
Want to configure and run an Apache httpd Docker container to serve website files from a local system? This example shows the best way to do that, using the "docker-compose" command and YAML file. Continue Reading
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Blog Post
17 May 2022
Deploy your website with a Docker Apache httpd container volume
The best way to run Docker's httpd Apache web server image is to map a volume that points to local files on your hard drive. This example shows you how to run Apache in Docker without the need to ... Continue Reading
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Blog Post
17 May 2022
How to dockerize Apache httpd websites example
Need to dockerize Apache? Want to build a custom Docker httpd image that hosts your website? Here's a simple Apache Dockerfile example to build a custom httpd Docker image for your website. Continue Reading
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Blog Post
09 May 2022
Imperative vs. declarative Kubernetes commands: What's the difference?
Imperative and declarative Kubernetes commands are the two different ways to configure the state of your clustered environment. Here we compare declarative versus imperative commands and show you ... Continue Reading
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Blog Post
18 Apr 2022
Being Agile vs. doing Agile: What's the difference?
What's the difference between being Agile and doing Agile? It's subtle, but it's significant. Here we compare them and show you how to both be Agile and do Agile the right way. Continue Reading
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Tutorial
30 Mar 2022
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
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Tutorial
30 Mar 2022
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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Blog Post
19 Mar 2022
Top 5 best Scrum Master certifications of today
Whether you are hiring for a career position or just trying to build your resume, this list of the top 5 best professional Scum Master certifications to have will provide you insights on the skills ... Continue Reading
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Blog Post
14 Feb 2022
Noon is not 12am. Midnight is not 12pm. Code appropriately.
The terms 12am and 12pm make no logical sense. Neither one is noon or midnight. Remove the 12am vernacular from your applications. Users will thank you. Continue Reading
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Tutorial
11 Feb 2022
Fix the top 10 most common compile time errors in Java
Flummoxed why your Java code won't compile? Here are the 10 most commonly encountered Java compile errors, along with the fixes that will get your code working in no time. Continue Reading
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Tip
01 Feb 2022
Want to become a freelance developer? Weigh these 4 factors
Some people want independence even if it sacrifices the security of a salaried position. Consider these criteria to see if being a freelance developer is the right choice for you. Continue Reading
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Blog Post
26 Jan 2022
How to create an AWS account alias
Need to create, change or rename an AWS account alias? It's not too hard to do, and your users will thank you. Here are the steps to do it. Continue Reading
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Blog Post
25 Jan 2022
Lessons learned from the Log4j vulnerability
The Log4j 2 vulnerability was a black eye for the Java community. Here's how to protect yourself today, and how the community can protect itself in the future. Continue Reading
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Blog Post
25 Jan 2022
Why is the Bootstrap grid system 12 columns wide?
Ever wonder why they created a 12-column Bootstrap grid system, and not 10 or 15? It's the same reason there's 60 seconds in a minute, or 360 degrees in a circle. Continue Reading
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Blog Post
23 Jan 2022
Comparing Rest vs GraphQL on performance and ease of use
The problem with RESTful web services that use JSON or XML as a data exchange is bloat and verbosity. Compare REST vs GraphQL performance if you want to simplify your web API development. Continue Reading
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Blog Post
21 Jan 2022
Why we use ./ (dot slash) to run Linux scripts?
Ever wonder why you need a ./ before a Unix shell script or command of your own in order to run it? Here's what the Linux dot slash does and why Unix systems require the ./ syntax. Continue Reading
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Blog Post
21 Jan 2022
Fix Apache's 'ServerRoot Must be a Valid Directory' error quickly
Here are three easy ways to fix Apache's ServerRoot Must be a Valid Directory error. Any of these remedies will get your Apache HTTP server running again. Continue Reading
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Tip
21 Jan 2022
Why you must avoid ScrumBut at all costs
How do Scrum and ScrumBut compare? Darcy DeClute explains why ScrumBut is bad, and how you can avoid this Agile anti-pattern and stay true to Scrum's core principles. Continue Reading
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Blog Post
19 Jan 2022
Principle of least privilege examples & best practices
We see examples of the principle of least privilege everywhere in our daily lives. What does the principle of least privilege mean as applied to security in software development and DevOps? Continue Reading
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Feature
19 Jan 2022
Ageism in software engineering is still a problem
Many developers want to program right up to retirement, but the reality of age discrimination unfairly hampers their career plans. Here's how to pitch experience as an asset. Continue Reading
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Blog Post
16 Jan 2022
Quickly set up GitHub SSH example
Here's a very quick example of how to setup GitHub SSH keys and use them to perform Git clone, push and pull commands over a securely configured SSH connection. Continue Reading
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Blog Post
15 Jan 2022
How to install Apache's Web Server on Windows 10 quickly
Let me step you though the installation of Apache's Web Server on Windows 10. You'll learn how to install Apache 2.4 on Windows, and avoid common httpd config errors. Continue Reading
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Blog Post
14 Jan 2022
Top 5 AWS root account best practices
The credentials of your server's super user must be protected at all costs. Here are five AWS root account best practices to protect yourself from being hacked. Continue Reading
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Blog Post
14 Jan 2022
BitBucket SSH key generation tutorial
This simple and straight-forward example shows you how to quickly configure BitBucket SSH keys, so you can connect Git to BitBucket with a secure shell (SSH). Continue Reading
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Blog Post
14 Jan 2022
How to create and run a shell script in Linux and Ubuntu
It's not hard to create and run a shell script in Linux distros like Ubuntu, but there are a few non-obvious pitfalls you need to avoid. Here's a quick example of how to execute a script in Linux. Continue Reading
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Blog Post
13 Jan 2022
Git securely with a GitHub SSH URL example
Where do you find the GitHub SSH URL? How do you use it to clone or pull from your remote GitHub repository? This quick Git tutorial shows you everything you need to know about the GitHub SSH URL. Continue Reading
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Blog Post
12 Jan 2022
Quick GitHub 'Permission denied (publickey)' SSH error fix
Here are the three most common fixes to the GitHub 'Permission denied (publickey)' error over SSH. Continue Reading
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Blog Post
11 Jan 2022
A quick GitLab SSH key configuration example
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
11 Jan 2022
How to SSH into GitHub on Windows example
Here's a quick tutorial to connect to GitHub with SSH on Windows. It's easy, and you'll establish a GitHub SSH Windows connection with Git in no time. Continue Reading