- Java 24 brings improvements to garbage collection with generational Shenandoah and the removal of non-generational mode in ZGC.
- New APIs make development easier, including key derivation tools, class file manipulation, and vector calculations.
- Increased security with encapsulation and digital signature mechanisms resistant to quantum cryptography.
- Permanently removed support for 86-bit x32 architecture and support for Ahead-Of-Time (AOT) loading and linking.
Java 24 is now a reality and comes packed with new features designed to optimize performance, security, and developer productivity. This version It introduces significant improvements in memory management, new APIs and tools that make code manipulation easier., as well as advances in security with special emphasis on resistance to quantum cryptography. Below, we explore each of these aspects in detail so you can experience everything Java 24 has to offer firsthand.
If you're a developer or work in environments that rely on Java, this new version brings multiple improvements that can make a difference in the performance and security of your applications. From garbage collection optimizations to the introduction of advanced development tools, Java 24 continues to establish itself as a fundamental option in software development..
Improvements in memory management and performance
One of the highlights of Java 24 is the evolution of its garbage collectors, a key element for efficient execution of Java applications. In this version, the collector Shenandoah introduces generational collection, a change that optimizes memory usage by reducing fragmentation and improving the management of young and old objects. However, for now, this optimization is only available on architectures x86_64 and AArch64. To learn more about memory management in Java, you can consult information on Java SE Development Kit solutions.
On the other hand, the collector ZGC has decided to abandon its non-generational mode, betting on a A more modern approach that minimizes pauses in execution and improves system stability.
Another key optimization is the Compacting object headers in the HotSpot virtual machine, which now reduces the header size from 96-128 bits to 64 bits. This has a significant impact on application density and performance, as it improves data accessibility and reduces memory consumption. Additionally, if you're interested in learning more about how to compile and run a Java program from the console, you'll find this guide helpful. here.
New APIs and developer tools
To make code development and manipulation easier, Java 24 includes several new APIs in preview:
- Key Derivation API: allows developers to manage keys more efficiently when implementing cryptographic algorithms.
- Class File API: a standard tool that simplifies the analysis, generation, and modification of Java class files.
- Vector API: Designed to take full advantage of modern hardware by facilitating optimized vector calculations.
Also, another big change is the final elimination support for 86-bit x32 architecture. After being deprecated in Java 21, this version now completely ends support for 32-bit Windows, while Linux begins its final phase of removal. It's important to note that for those interested in the history of programming languages, who invented the JavaScript programming language It can also be a fascinating topic to explore.
Security Innovations: Towards Quantum Resistance
Java 24 also stands out for introducing new security solutions designed to protect systems in the era of quantum computing. Notable advances in this area include:
- Key encapsulation mechanism based on lattice structures: This method strengthens security in key transmission, preventing attacks using quantum computing algorithms.
- Digital signature algorithm based on reticular structures: a new digital signature method designed to resist attacks from future quantum computers.
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Support for Ahead-Of-Time (AOT) loading and linking
Another of the notable features of Java 24 is the support for the technique Ahead-Of-Time (AOT), which allows classes to be loaded and linked before execution, thereby reducing application startup times. This improvement is especially useful for large-scale applications that require optimized response times. For more details on Java installation and versions, you can visit the following link. here.
Java continues to evolve with each new release, and Java 24 is no exception. With its multiple improvements in performance, security, and development tools, this release reinforces its position as one of the most robust and future-proof programming languages.
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