从JDK 8到JDK 18，这些改进的主要原则是，将垃圾回收元数据严格维持在仅保存必须数据的限度。 因此，G1会并行地重建并管理内存，尽快释放数据。

The Java JDK (Java Development Kit) is a software development environment that creates Java applications.

If you want to download and install Java JDK 18 on Windows 11/10 computer, you will also have to set up a Path in Environment Variable.

Oracle JDK 8 and Oracle Java SE Embedded 8 are now available to download. Java SE 8 and Java ME 8 are on a strong convergence path, with Java ME 8 scheduled for availability later this spring.

Oracle has extended public updates for Java Development Kit (JDK) 8 until at least January 2019. These had been slated to end in September 2018.

Some developers try and change the Java compiler setting within Eclipse from Java 1.5 to Java 1.8, but that only works temporarily. As soon as a new Maven build takes place, the JDK version reverts ...