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  1. ,
    via Stack Overflow by ERJAN

    This exception occurs when using an older version of java. Mainly when trying to run a jar compiled with a newer Java version in an older Java version. We can avoid this issue by executing the jar in the same version which it was compiled.

Solutions on the web

via Ask Ubuntu by Kritin Mishra
, 1 year ago
Hello : Unsupported major.minor version 52.0
via Stack Overflow by Dan O'Sullivan
, 2 years ago
Hello : Unsupported major.minor version 52.0
via csdn.net by Unknown author, 1 year ago
via Coderanch by Marko Matosevic, 1 year ago
SimpleAnimation : Unsupported major.minor version 52.0
via Google Groups by Richard Gill, 1 week ago
LibraryComplexity : Unsupported major.minor version 52.0
via Google Groups by mche...@gmail.com, 2 years ago
CheckoutJobTest : Unsupported major.minor version 52.0
java.lang.UnsupportedClassVersionError: Hello : Unsupported major.minor version 52.0	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClass(ClassLoader.java:803)	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)	at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)	at java.net.URLClassLoader.access$100(URLClassLoader.java:71)	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)	at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482)