xml-commons-api, jaxp_parser_impl, and java-fonts have been removed from OracleJDK/OracleJRE RPMs New Implementation of java.nio.channels.Selector on Microsoft Windows (JDK-8266369) The java.nio.channels.Selector API for windows is implemented in a more extensible way. The original implementatio...
Likewise, we also took a quick peek at the Linker API when it was first introduced as an incubator module, which was mentioned in our post rounding up of new features in Java 16. Pattern Matching for Switch The final language preview feature in Java 17 is the inclusion of Pattern Matching...
casecondition directly covers the type judgment and type conversion. This function is similar tothe enhancement of instanceof in Java 16. The processing logic of eachcaseis implemented with theLambdasyntax, which can eliminate thebreakstatement (this is anew feature of JDK 14: switch expression enh...
It was a preview feature in Java 15 and Java 16. In Java 17, it has become a standard feature with no changes to what was available in Java 16. Read More :Sealed Classes and Interfaces 2.4. Enhanced Pseudo-Random Number Generators 2.4.1. RandomGenerator This JEP introduced a new interfac...
With JEP 449, Java developers will get an error when they configure the 32-bit x86 port. JEP 451: Prepare to Disallow the Dynamic Loading of Agents This new feature will issue a warning when agents are loaded dynamically into a running JVM; in the future it will issue an error. The ...
Context-specific deserialization filters build on a feature introduced in Java 9 (seeJEP 290: Filter incoming serialization data). That old JEP offered both changeable per-stream deserialization filters and a static JVM-wide filter. The per-stream filters, unfortunately, did not scale well, and it...
A new feature being introduced in Java 15 is known ashidden classes. While most developers won’t find a direct benefit from them, anyone who works with dynamic bytecode or JVM languages will likely find them useful. The goal of hidden classes is to allow the runtime creation of classes ...
In order to add thestreammethod (or any others) to the core Collections API, Java needed another new feature,Default methods(also known asDefender MethodsorVirtual Extension methods). This way they could add new methods to theListinterface for example without breaking all the existing implementatio...
JRE : Java Runtime Environment (Java 运行环境) 说明: JDK = JRE + 开发工具集(例如 Javac 编译工具等) JRE = JVM + Java SE 标准类库 1.2 JDK 8 的目录结构 说明: 1.3 JDK 9 的目录结构 说明: 2. 模块化系统: Jigsaw =>Modularity 2.1 官方 Feature ...
Improvements to the Java editor We've added numerous features and small improvements to JDT's Java editor. Substring/subword matches for types The Content Assist feature now fully supports both substring and subword matches for types, as shown in Figure 15. ...