我使用 Ubuntu 20.04 并且安装了 3 个 java 版本：
Selection Path Priority Status
------------------------------------------------------------
0 /usr/lib/jvm/java-14-openjdk-amd64/bin/java 1411 auto mode
1 /usr/lib/jvm/java-11-openjdk-amd64/bin/java 1111 manual mode
2 /usr/lib/jvm/java-14-openjdk-amd64/bin/java 1411 manual mode
* 3 /usr/lib/jvm/java-14-oracle/bin/java 1091 manual mode
4 /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java 1081 manual mode
Press <enter> to keep the current choice[*], or type selection number:
$ java -version
java version "14.0.1" 2020-04-14
Java(TM) SE Runtime Environment (build 14.0.1+7)
Java HotSpot(TM) 64-Bit Server VM (build 14.0.1+7, mixed mode, sharing)
当我尝试通过终端运行 jar 程序时java -jar ***.jar，我仍然收到错误 …