?????????????????????????????????Java???????????? / Java???Javac??????????????????
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?????????java.net pat port ?????? ati occurred auto ons one
?????????mooc??????????????????Java?????????????????????????????????Java???eclipse???eclipse???????????????????????????????????????????????????????????????????????????Java?????????????????????????????????Java????????????????????????????????????????????????????????????????????????????????????????????????
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?????????Welcome.java ????????????D:/myjavacode ????????????
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?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????.class
??????Java????????????????????????????????????????????????????????????????????????????????????????????????????????????
Error: A JNI error has occurred, please check your installation and try again
Exception in thread "main" java.lang.UnsupportedClassVersionError: Welcome has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)
?????????????????????Welcome has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0
??????????????????????????????????????????????????????????????????????????????????????????????????????Java???Javac??????????????????????????????????????????
?????????????????????Java???eclipse??????????????????JRE??????JDK??????JRE??????????????????????????????JDK???????????????java???????????????????????????path ????????????????????????????????????????????????????????????????????????Path????????????java.exe???javac.exe?????????
??????????????????????????????????????????path ?????? %JAVA_HOME%in; ????????????????????????
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2019-02-10 22:39:30 ????????? Come on ! ??????????????????????????????
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