New & Notable
The difference between Java sampling and instrumentation
These two approaches both aim to improve Java performance and can be done together. But there is a fundamental difference between instrumentation and sampling.
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.
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.
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.
5 ways to force garbage collection in Java
A developer can't technically force garbage collection in Java, but it can be made a priority. If you need to free up heap space, here are five ways to prioritize it in the JVM.
Coffee Talk: News & Insight
-
Program a Java factorial function with recursion and iteration
Cameron McKenzie 19 Jan 2021This Java recursion tutorial not only shows you how to create a recursive Java factorial function, but also demonstrates how recursive methods and code works ...
-
Top 5 Java recursion examples
Cameron McKenzie 18 Jan 2021We often debate the merits of iterative vs recursive Java code. Take a look at how recursive Java methods work with these 5 Java recursion examples.
-
The performance cost of autoboxing Java primitive types
Cameron McKenzie 29 Dec 2020The boxing and unboxing of Java primitive types has severe performance implications. Uncover the truth about autoboxing Java primitive types in this JDK ...
-
A Jenkins YAML pipeline example
Cameron McKenzie 28 Dec 2020YAML has joined the ranks of declarative and scripted pipelines in Jenkins. Here's an example of what the syntax for a Jenkins YAML pipeline looks like.
-
A quick start guide on how to run Jenkins on AWS
Cameron McKenzie 23 Dec 2020Need to run Jenkins on AWS? It's not a bad idea, especially when developers consider the need for a CI/CD server to integrate with peripheral resources. This ...
-
How to implement a remote Jenkins build trigger with a URL
Cameron McKenzie 22 Dec 2020This quick example will demonstrate how to implement a remote Jenkins build trigger. With the remote Jenkins build URL, a developer can call jobs from scripts,...
-
Fix Java memory leaks without costly JVM heap dumps
Cameron McKenzie 13 Dec 2020You can fix your Java memory leak problem without a costly JVM heap dump. Just use Java Flight Recorder's Old Object Sample event and view the recording in JDK...
-
How to start Java's JVM Flight Recorder 3 easy ways
Cameron McKenzie 12 Dec 2020JDK Mission Control is feckless without a Java Flight Recorder file to profile. Here are 3 easy ways you can start JFR in Eclipse and monitor your JVM in JMC.
-
Java Mission Control 8 Eclipse plugin Install
Cameron McKenzie 11 Dec 2020Here's a quick explanation of the steps you need to perform to get the Java Mission Control Eclipse plugin installed and do a Java Flight Recorder JVM profile ...
-
How to use Jenkins shared libraries in your pipelines
Cameron McKenzie 06 Dec 2020Keep complex logic out of your build scripts and take advantage of Jenkins shared libraries instead.
Featured Authors
Twitter Talk
Multimedia
-
Problem Solve
5 ways to force garbage collection in Java
-
Search thousands of tech definitions
- information governance
- MQTT (MQ Telemetry Transport)
- continuous data protection
- whaling attack (whaling phishing)