JDK Builds from Oracle
JDK 15 Windows/x64 190MB
変数名: JDK_HOME 変数値: C:\jdk-15
変数名: JAVA_HOME 変数値: %JDK_HOME%
%JDK_HOME%\bin
> java -version openjdk version "15-ea" 2020-09-15 OpenJDK Runtime Environment (build 15-ea+8-219) OpenJDK 64-Bit Server VM (build 15-ea+8-219, mixed mode, sharing) > javac -version javac 15-ea