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What did Java 17 add?

JDK 17: The New Features in Java 17
  • Sealed classes are standardized.
  • Always-strict floating-point semantics are restored.
  • Switch statements are enriched with better pattern matching.
  • Pseudorandom number generators are upgraded.
  • Support for context-specific and dynamically-selected deserialization filters is provided.
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What does Java 17 add?

The latest long-term support release of standard Java features always-strict floating point semantics, a foreign function and memory API, a uniform API for pseudo random number generators, and much more. Java 17, a new long-term support (LTS) release of standard Java, is now available for production use.
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What is new on Java 17?

Java 17 LTS is the latest long-term support release for the Java SE platform. JDK 17 binaries are free to use in production and free to redistribute, at no cost, under the Oracle No-Fee Terms and Conditions License, where LTS stands for long-term support. It was released on September 15, 2021.
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What is the difference between Java 17 and 18?

Java 18 updates: The difference

As for Java 18, there is only a six month time difference between it and Java 17, which means the updates aren't as trascendental or numerous as we've been able to see with other releases. However, Java 18 has improvements in terms of its foreign function memory.
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What is difference between Java 11 and Java 17?

Java 17 is available for development use from 15 Sept 2021. Java 11 is used to develop desktop as well as web applications. Java 17 is used to develop desktop as well as web applications. We cannot generate sealed classes in java 11.
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All New Java 17 Features in 5 Minutes!

What are the benefits of Java 17 over 11?

Java 17 is 8.66% faster than Java 11 and 2.41% faster than Java 16 for G1GC (default). Java 17 is 6.54% faster than Java 11 and 0.37% faster than Java 16 for ParallelGC. The Parallel Garbage Collector is 16.39% faster than the G1 Garbage Collector.
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Why upgrade Java 11 to 17?

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.
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Can I use spring with Java 17?

Spring Boot 3.0 is now generally available. The new release is based on Spring Framework 6.0, requires Java 17 as a minimum version, and provides support for GraalVM native images.
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Is Java 8 or Java 17 newer?

Java 8 – LTS release (Long Term Support), last LTS release before JPMS (modules) were introduced in Java 9. Java 11 – LTS release. Java 17 – LTS release, the latest LTS release until September 2023. Java 19 – non-LTS release, the latest version released in September 2022.
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Is Java 17 a stable version?

As an LTS release, Oracle JDK 17 will receive performance, stability and security updates for at least 8 years following the Oracle Critical Patch Update (CPU) schedule as outlined in the Oracle Java SE Support Roadmap.
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What is the difference between Java 16 and 17?

Java 17 notably incorporates improved support for macOS on AArch64 architecture using JEP 391. In comparison, Linux platform support on AArch64 architecture has been added in Java 9 and that of Windows/AArch64 in Java 16.
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What will be in Java 18?

What are the New Features in Java 18?
  • UTF-8 by Default. ...
  • Simple Web Server. ...
  • Code Snippets in Java API Documentation. ...
  • Vector API. ...
  • Internet-Address Resolution SPI. ...
  • Foreign Function and Memory API. ...
  • Pattern Matching Improvements. ...
  • Deprecated Finalization for Removal.
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Is Java 17 faster than Java 8?

Most of the execution time goes on sending and serving requests. Unlike Tomcat, Jetty starts fast. The difference in the execution time is tiny but consistent. In this simple test Java 17 cannot outperform its predecessor Java 8.
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Should I install Java 18 or 17?

Java SE 11 OR 17 remains the preferred production standard in 2022. While both 9 and 10 have been released, neither will be offering LTS. Since it's first release in 1996, Java has maintained a reputation for being one of the most secure, reliable, and platform independent languages for computer programming.
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Does Java 17 include JRE?

All JDK implementations of Java 17 include a JRE for Java 17. There are also JREs for Java 17 available in a standalone format, separate from JDK implementations, these are provided by various vendors, such as Oracle, Bellsoft, Azul, Adoptium, etc.
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Why to upgrade to Java 17?

Java 17 gives lots of features which can help you current application to improve in performance or User experience, then please upgrade to Java 17. If you choose to migrate ,then it may required to make some code changes , some effort will be needed based on application & environment.
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Can Java 17 run Java 11?

In short: Java is mostly backwards compatible. If you have 17 installed and tell IntelliJ to use/compile against version 11. It will assist you in using Java 11 compatible features only. For example if you try to write a sealed class, it will not compile, even though you have sdk 17.
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Is Java 18 out yet?

JDK 18 is the open-source reference implementation of version 18 of the Java SE Platform, as specified by by JSR 393 in the Java Community Process. JDK 18 reached General Availability on 22 March 2022.
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What's new from Java 8 to 17?

There are many useful features introduced from Java 8 to Java 17 like lambda expressions, Stream API, New Date, and Time API, Creating Immutable Lists, Records, Sealed Classes, var for storing local variables without types, String in switch case, Text Block, and many more.
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Does Spring Boot 3.0 require Java 17?

Spring Boot 3.0 requires Java 17 as a minimum version. If you are currently using Java 8 or Java 11, you'll need to upgrade your JDK before you can develop Spring Boot 3.0 applications. Spring Boot 3.0 also works well, and has been tested with JDK 19.
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Does Spring 6 need Java 17?

Spring Framework 6 requires Java 17 and Jakarta EE 9 and is compatible with the recently released Jakarta EE 10. It also embeds observability through Micrometer with tracing and metrics.
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When should I migrate to Java 17?

Migrating from Java 11 to Java 17

Java 17 was released in September 2021 and it will take some time to take over the throne from Java 11. Nevertheless, the features it offers save a lot of coding and needless boilerplate logic.
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Is Java 17 or 19?

What is the latest Java version? As of September 2022, Java 19 is the latest released Java version. In March 2023, Java 20 will follow. The last long-term support version (LTS) of Java is Java 17, released in September 2021.
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Which JVM is fastest?

OpenJDK 17 and GraalVM EE 17 seem to be the best choices for this application, providing the best latency figures. Consider using GraalVM EE 17 over OpenJDK 17 if outliers need to be suppressed or if you really need the lowest possible overall latency.
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