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Java Continuously improve the platform performance by itself , The ability of stability and safety , It has always been the most popular programming language among developers .IDC The latest report of “Java Turns 25” display , exceed
900 10000 developers （ Among the global full-time developers 69%） in use Java—— More than any other language .
Oracle bone inscriptions continue to explore Java The road of sustainable innovation , And proud to announce Java 16
Officially released , This is the seventh feature release we've moved to after a six-month release cycle . This level of predictability makes it easier for developers to manage their adoption plans for innovation .
Main characteristics
Vector API（ hatch ）
Improved Java stay CPU Performance of vector computing , This is a support for large-scale tensor computation , Improved Java stay AI Capabilities in the field .
New C++ characteristic
Allow in JDK in C++ Use in source code C ++ 14 New features of .
from Mercurial Move to Git
Git At present, it has become the absolute ruler in the field of code version management , Now? Java Follow the trend and use it Git Source code management .
Move to GitHub
OpenJDK The code for is now available GitHub trusteeship .
ZGC garbage collector
Garbage collector for stack processing of concurrent threads .
Unix Domain socket channel
Unix Domain socket pair ServerSocketChannel and SocketChannel Our support .
Alpine Linux Port
stay x64 and AArch64 In architecture , take JDK Porting to Alpine Linux And other uses musl C Library Linxu On the distribution board .
Elastic Metaspace
Hotspot Processing of class metadata （metaspace- Meta space ） There has been a great improvement . It takes less space , Unused memory can now be recycled to the operating system more quickly .
Windows/AArch64 Port
take JDK Porting to Windows / AArch64 platform .
Foreign Linker API（ hatch ）
Introduce a API, The API Provides a pure query to the static type of local code Java visit . The API And Foreign-Memory API（JEP
393） Together, it will greatly simplify the error prone process of binding to the native library .
Warnings for Value-Based Classes
Specifies the original wrapper class as * Value based classes ,* And discard its constructor to remove it , This prompts a new discard warning . Provide information on Java Warning of incorrect attempt to synchronize on any instance of a value based class in the platform .
Packaging Tool
provide jpackage For packaging stand alone Java Application tools .
Support local packaging format , Provide a natural installation experience for end users . These formats include msi And exe stay Windows,pkg and dmg stay MacOS, as well as deb and rpm stay Linux upper .
Allows you to specify the start time parameter when packaging .
It can be called directly from the command line , You can also pass the ToolProviderAPI Call programmatically .
Foreign-Memory Access API ( The third incubation )
Introduce a API, allow Java The program can be accessed safely and effectively Java External memory outside the heap .
Java16 Officially released , You're still using it JDK8 Is that right ?
Public name ：Java Senior Architect , input “ Interview questions ”, obtain 500 Interview questions of a large factory !
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