配置JDK环境变量

Windows配置

JAVA_HOME=D:\devsoft\jdk1.8.0_144
CLASSPATH=.;%JAVA_HOME%\lib\tools.jar;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\jre\lib\rt.jar;%JAVA_HOME%\jre\lib
Path=%JAVA_HOME%\jre\bin;%JAVA_HOME%\bin

 

linux配置

export JAVA_HOME=/usr/local/jdk1.8.0_261
export CLASSPATH=.:$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/jre/lib
export PATH=$JAVA_HOME/jre/bin:$JAVA_HOME/bin:$PATH

 

jre 运行环境（Linux）

export JAVA_HOME=/usr/local/jdk1.8.0_261/jre
export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/jre/lib
export PATH=$JAVA_HOME/bin:$PATH