java.lang.UnsupportedClassVersionError: net/mmhackers /SendMail (Unsupported major.minor version 49.0)

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  • UnsupportedClassVersionError
    via by Mg Oo,
  • everything is red in eclipse
    via Stack Overflow by Mike
    ,
    • java.lang.UnsupportedClassVersionError: net/mmhackers /SendMail (Unsupported major.minor version 49.0) at java.lang.ClassLoader.defineClass0(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$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClassInternal(Unknown Source)

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