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7 tips to choose the right Java library

Your application is only as secure and reliable as the external libraries you use. Here's a list of the top 7 things to consider when choosing a software library for your project.

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.

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.

A tough, multiple choice Java exception handling quiz

Just how well do you know exception handling in Java? These 10 tough multiple-choice questions on checked and unchecked exceptions will test your error handling mettle.

Fix these 10 common examples of the RuntimeException in Java

Don't let the occurrence of a RuntimeException in Java bring your code to a standstill. Here are 10 examples of how to avoid runtime exceptions in Java.

Coffee Talk: News & Insight

Top 5 best Scrum Master certifications
Darcy DeClute 19 Mar 2022
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 ...
Noon is neither 12am nor 12pm
Cameron McKenzie 14 Feb 2022
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.
How to convert a PEM file to PPK format
Cameron McKenzie 08 Feb 2022
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 ...
Node.js file upload example with Ajax and JavaScript
Cameron McKenzie 07 Feb 2022
The Node.js file upload process is made easy with libraries like 'fs' and 'formidable.' In this JavaScript and Node.js file upload example, we show you how to ...
How to create an AWS account alias
Cameron McKenzie 26 Jan 2022
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.
Lessons learned from the Log4j 2 vulnerability
Joseph Ottinger 25 Jan 2022
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.
Why is Bootstrap's grid system 12 columns wide?
Cameron McKenzie 25 Jan 2022
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 ...
Rest vs GraphQL: Performance and ease of use comparisons
Bob Reselman 23 Jan 2022
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 ...
Why do we use ./ (dot slash) to run Linux scripts?
Cameron McKenzie 21 Jan 2022
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 ...
Fix Apache's 'ServerRoot Must be a Valid Directory' error
Cameron McKenzie 21 Jan 2022
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.