此问题已经在这里有了答案:
我有一个Java Java Jar,可以在Java 7上运行它吗?
ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] /C:/Users/Desktop/poc/quickstart-master/src/main/java/com/quickstart/Client.java:[24,46] underscores in literals are not supported in -source 1.5
(use -source 7 or higher to enable underscores in literals)