In a future release it will be disabled by default, and in a later release it will be removed. Finalization remains enabled by default for now, but can be disabled to facilitate early testing. JEP 421: Deprecate Finalization for Removalĭeprecate finalization for removal in a future release. This is a preview language feature in JDK 18. Extending pattern matching to switch allows an expression to be tested against a number of patterns, each with a specific action, so that complex data-oriented queries can be expressed concisely and safely. JEP 420: Pattern Matching for switch (Second Preview)Įnhance the Java programming language with pattern matching for switch expressions and statements, along with extensions to the language of patterns. #Azu audio converter free download codeBy efficiently invoking foreign functions (i.e., code outside the JVM), and by safely accessing foreign memory (i.e., memory not managed by the JVM), the API enables Java programs to call native libraries and process native data without the brittleness and danger of JNI. Introduce an API by which Java programs can interoperate with code and data outside of the Java runtime. JEP 419: Foreign Function & Memory API (Second Incubator) Introduce an API to express vector computations that reliably compile at runtime to optimal vector instructions on supported CPU architectures, thus achieving performance superior to equivalent scalar computations.ĭefine a service-provider interface (SPI) for host name and address resolution, so that can make use of resolvers other than the platform’s built-in resolver. Making method handles the underlying mechanism for reflection will reduce the maintenance and development cost of both the and APIs. Reimplement, Constructor, and Field on top of method handles. JEP 416: Reimplement Core Reflection with Method Handles Introduce an tag for JavaDoc’s Standard Doclet, to simplify the inclusion of example source code in API documentation. JEP 413: Code Snippets in Java API Documentation This tool will be useful for prototyping, ad-hoc coding, and testing purposes, particularly in educational contexts. No CGI or servlet-like functionality is available. Provide a command-line tool to start a minimal web server that serves static files only. With this change, APIs that depend upon the default charset will behave consistently across all implementations, operating systems, locales, and configurations. Specify UTF-8 as the default charset of the standard Java APIs.
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