系統(tǒng)環(huán)境windows 10
1、在系統(tǒng)變量中創(chuàng)建,變量名:JAVA_HOME,變量值:D:\Program Files\Java\jdk1.8.0_171
2、在path變量中增加變量值:%JAVA_HOME%\bin和%JAVA_HOME%\jre\bin
3、在classpath變量中增加值:%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar;
按win+r快捷鍵,輸入cmd,打開后輸入java -version 回車
java version "1.8.0_171"
Java(TM) SE Runtime Environment (build 1.8.0_171-b11)
Java HotSpot(TM) 64-Bit Server VM (build 25.171-b11, mixed mode)