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- Both versions of Java present different benefits to developers. Java 11 offers improved stability and quality, as well as faster memory management with the var keyword. Java 17 contains features unique to this version such as vector API’s and improved compiler optimizations which can help speed up code execution time.
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Jun 18, 2023 · If you’re currently using Java 11, it may be time to consider migrating to Java 17 to take advantage of its new features and improvements. In this article, we’ll discuss what’s new in...
- Java 11 vs Java 17: A Comprehensive Feature Comparison
Fast forward to September 2021, Java 17 emerged as the next...
- Comparing Java 11 and Java 17: Key Differences and Examples
Java 17 includes some performance improvements over Java 11....
- Java 11 vs Java 17: A Comprehensive Feature Comparison
Nov 26, 2023 · Fast forward to September 2021, Java 17 emerged as the next LTS release, packing a plethora of advancements. This article delves into a detailed comparison of Java 11 and Java 17,...
Jun 6, 2024 · In this article, we’ll explore the key differences between Java 17 and Java 11. 1. Support and Long-Term Stability. Java 11: - An LTS (Long Term Support) version. - Supported until...
- LTS Releases
- What Needs to Change During A Java Upgrade?
- Multirelease Jar Functionality
- More About Java Deprecations and Feature Removals
- Look Out For Unsupported Major Files
- Encapsulated JDK Internal Apis
- Java Upgrades Resource
- Conclusion
- Dig Deeper
This article keeps referring to Java 8, Java 11, and Java 17 as LTS releases. What does that mean? Here’s a quote from the Oracle Java SE support roadmap: For product releases after Java SE 8, Oracle will designate a release, every three years, as a Long-Term-Support (LTS) release. Java SE 11 is an LTS release. For the purposes of Oracle Premier Su...
Your application contains code you and your team wrote, and it probably contains dependencies also. If something is removed from the JDK, that might break the code, the dependencies, or both. It often helps to make sure those dependencies are up to date to resolve these issues. Sometimes you might have to wait until a framework releases a new versi...
What if your application is used by customers who still use an old JDK and an upgrade at their site is out of your control? Multirelease JAR functionality, introduced in Java 9 with JEP 238, might be useful because it allows you to package code for multiple Java versions (including versions older than Java 9) inside one JAR file. As an example, cre...
Before upgrading the JDK, make sure your IDE, build tools, and dependencies are up to date. The Maven Versions Plugin and Gradle Versions Pluginshow which dependencies you have and list the latest available version. Be aware that these tools show only the new version for the artifacts you use—but sometimes the artifact names change, forks are made,...
You might see the error Unsupported class file major version 61. I’ve seen it with the JaCoCo code coverage library and various other Maven plugins. The major version 61 part of the message refers to Java 17. So in this case, it means that the version of the framework or tool you’re using doesn’t support Java 17. Therefore, you should upgrade the f...
Java 16 and Java 17 encapsulate JDK internal APIs, which impacts various frameworks such as Lombok. You might see errors such as module jdk.compiler does not export com.sun.tools.javac.processing to unnamed module, which means your application no longer has access to that part of the JDK. In general, I recommend upgrading all dependencies that use ...
I recommend that you look at the JavaUpgrades GitHub repositoryI created, which contains examples, common errors, and solutions that can help you during the upgrade process.
Upgrading your dependencies and adding dependencies for removed JDK features solves many of the Java upgrade challenges. I recommend a structured approach to upgrading step by step: First, make sure the code compiles, then run your tests, and then run the application. The migration process is a lot better if you can tell yourself, your team, and yo...
May 11, 2023 · Java 17 includes some performance improvements over Java 11. These enhancements stem from a better garbage collector, enhancements to the JIT compiler, and improved class data sharing,...
Sep 28, 2021 · Java 17 is an LTS (Long Term Support) version just like Java 11. With Java 11 a new release cadence started. Java 11 came with support up to September 2023 and with an extended support up to September 2026. Also, with Java 11, the Oracle JDK was not free anymore for production and commercial use.
May 11, 2023 · Java 11 vs Java 17. Java 11 and Java 17 are two recent versions of the Java programming language, released in 2018 and 2021, respectively. While Java 11 introduced several new features and improvements, Java 17 builds upon those enhancements and introduces several new ones.
