Announcing Oracle GraalVM for JDK 21

Oracle is pleased to announce the availability of Oracle GraalVM for JDK 21. This release brings with it new Java 21 features, improvements in Native Image performance, simplified usage of embedded languages, and more.Project Loom Virtual ThreadsFirst previewed in JDK 19, Project Loom is no longer a preview...

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Unleashing the Power of IoT Certification and Java Card

IntroductionIn the ever-evolving landscape of technology, IoT Certification and Java Card have emerged as pivotal players, reshaping the way we interact with and secure our interconnected devices. This comprehensive guide aims to delve into the intricacies of these technologies, providing invaluable insights for both beginners and seasoned professionals.Understanding...

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Java Virtual Machine Improvements in Java SE 8: Boosting Performance and Functionality

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In the dynamic landscape of programming languages, Java has consistently stood out for its versatility and reliability. With the release of Java SE 8, the Java Virtual Machine (JVM) underwent significant improvements that not only enhanced performance but also added new dimensions to the language's capabilities. In this...

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Unveiling the Power of Java Card: A Comprehensive Guide

IntroductionIn the ever-evolving landscape of technology, Java Card emerges as a powerhouse, seamlessly blending security, flexibility, and functionality. In this article, we delve into the definition, use cases, and undeniable benefits of Java Card, aiming to provide a comprehensive understanding that goes beyond the surface.Defining Java CardJava Card...

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Unveiling the Power of Oracle Java Cloud: A Technological Marvel

IntroductionIn the ever-evolving realm of technology, Oracle Java Cloud stands as a beacon of innovation, providing an unparalleled platform for developers and businesses alike. In this comprehensive exploration, we delve into the intricacies of Oracle Java Cloud, unraveling its capabilities and showcasing why it stands as a technological...

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Unveiling the Top Libraries Java Developers Swear By

In the ever-evolving realm of Java development, choosing the right libraries can make or break your project. As seasoned developers, we understand the pivotal role that libraries play in enhancing functionality, boosting efficiency, and simplifying complex coding tasks. In this comprehensive guide, we delve into the most popular...

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Announcing Graal Cloud Native 4

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We're excited to announce the general availability of Graal Cloud Native 4 based on the recently launched Micronaut® framework 4!Graal Cloud Native (GCN) is an Oracle build of the open source Micronaut framework. GCN provides a curated set of Micronaut framework modules that simplify cloud application development, are...

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Unraveling the Power of Collectors, Comparators, and Type Inferencing in Java

IntroductionWelcome to a comprehensive exploration of the powerful trio in Java programming: Collectors, Comparators, and Type Inferencing. In the ever-evolving landscape of Java development, mastering these essential components is paramount. This article delves into the nuances, applications, and optimization strategies associated with each, aiming to provide a resource...

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Unleashing the Power of Oracle GraalVM for JDK 21

IntroductionIn the ever-evolving landscape of Java Development, staying ahead of the curve is not just a choice; it's a necessity. The advent of JDK 21 brings forth a technological marvel, and we, at Oracle Java Certifed, are excited to guide you through the immense capabilities of Oracle GraalVM,...

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Java Card 3.1: Cryptographic Extensions

A security product is not necessarily a cryptographic product. However since security products often involve the protection and processing of sensitive data, they typically imply the use and management of cryptographic materials. Java Card offers cryptographic packages to handle keys as trusted objects, and to support state-of-the art...

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Unveiling the Power of Java Platform for Seamless Development

IntroductionIn the ever-evolving realm of technology, the Java platform stands as an indomitable force, empowering developers and businesses alike. As we delve into the intricate tapestry of Java's capabilities, we unravel a world where innovation meets efficiency.Understanding Java PlatformWhat Sets Java Apart?Java isn't just a programming language; it's...

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Announcing GraalVM Enterprise in OCI Code Editor and Cloud Shell

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Today, we are announcing that you can use GraalVM Enterprise directly in Oracle Cloud Infrastructure (OCI) Code Editor and Cloud Shell, at no additional cost. This means you can now edit and deploy high-performance Java, Spring Boot, and Micronaut application code from a browser, without any installation and...

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Quiz yourself: Serializing a primitive with ObjectOutputStream

Primitives? Objects? What should you do?You need to serialize a long primitive value, and you have been given the following code:long l = 5L;try (ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(filename))) {  ... //}Which statement is true? Choose one.A. The code must box the primitive using oos.writeObject(Long.valueOf(l)). B. The primitive...

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