Exception in thread "main" java.lang.UnsupportedClassVersionError: org/apache/ma ven/cli/Maven/java與...

編譯的時候 中出現如下異常： Exception in thread "main" Java.lang.UnsupportedClassVersionError: org/apache/ma ven/cli/MavenCli : Unsupported major.minor version 51.0         at java.lang.ClassLoader.defineClass1(Na

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