How to Install Oracle JDK 12 on Fedora 30 Gnu/Linux

GNU/Linux Fedora 30 Install Oracle JDK 12 - QuickStart Guide Hi! The Tutorial shows you Step-by-Step How to Download and Install Oracle JDK 12 in Fedora 30 64-bit GNU/Linux. And Java SE 12 for Fedora 30 is a Development Environment for Building Applications, and Components Using the Java Programming Language. Here are some Key Points of JDK: Compiler and Tools: The JDK includes a Java compiler (javac) that translates Java source code into bytecode, which can be executed by the Java Virtual Machine (JVM). It also contains various tools for development, debugging, testing, and monitoring Java applications. Java Runtime Environment (JRE): In addition to the development tools, the JDK includes the Java Runtime Environment (JRE), which is necessary for running Java applications. The JRE consists of the JVM, class libraries, and other components required for executing Java bytecode. Java API Documentation: Oracle JDK provides comprehensive documentation for the Java API (Application Programming Interface). This documentation includes detailed descriptions of classes, interfaces, methods, and other elements of the Java standard library, making it a valuable resource for developers. Platform Support: Oracle JDK is available for multiple platforms, including Windows, macOS, and various Unix/Linux distributions. This allows developers to write Java applications that can run on a wide range of operating systems and hardware architectures. Security Features: Oracle JDK includes security features to help developers build secure Java applications. This includes support for cryptographic algorithms, secure communication protocols, and mechanisms for managing security policies and permissions. Performance Optimization: Oracle continuously works on improving the performance of the JDK, including the JVM and the Java runtime libraries. This ensures that Java applications run efficiently and can scale to meet the performance requirements of various use cases. Updates and Support: Oracle provides regular updates and patches for the JDK to address security vulnerabilities, bug fixes, and performance enhancements. Developers can also access technical support and resources through Oracle's website and community forums. Licensing: As of recent updates, Oracle has changed its licensing and support model for Oracle JDK. While Oracle JDK is still available for free for development and testing purposes, commercial use may require a subscription or licensing agreement. Alternatively, developers can use OpenJDK, which is an open-source implementation of the Java Platform, as an alternative to Oracle JDK. Especially relevant: with the New Rpm Package it's Now Easier to Setup the Java Development Kit on Fedora. Finally, the guide includes instructions on How to Switch the Java Version on Fedora 30. 1. Launching Terminal Open a Terminal Shell Emulator (Press "Enter" to Execute Commands) In case first see: Terminal QuickStart Guide. 2. Downloading Oracle JDK 12 Download Oracle JDK 12 GNU/Linux Package Oracle JDK 12 .rpm 64-bit Downloading Oracle JDK 12 for GNU/Linux Systems 3. Installing Oracle JDK 12 Then to Setup Oracle JDK 12 on Fedora 30 Linux First, Access the Target, usually in the Downloads folder: (But if downloaded with Firefox it can be instead into /tmp/mozilla*) cd && cd Downloads Now to Confirm the Package is there do: ls . Finally, to Install JDK 12 simply: sudo rpm -ivh jdk-12*.rpm 4. Switching to Java 12 Finally, to Switch Java to JDK 12 This is Valid only if you have to Manage more than One Java Releases: sudo update-alternatives --config java Choose the Number entry corresponding to Oracle JDK 12! And for the Java Compiler instead: sudo update-alternatives --config javac Choose the Number entry corresponding to Oracle JDK 12. Test your Java 12 Installation: java --version

How to Install Oracle JDK 12 on Fedora 30 Gnu/Linux

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2. Downloading Oracle JDK 12

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