java.lang.UnsupportedClassVersionError

javax/swing/JFormattedTextField (Unsupported major.minor version 48.0)

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Solutions on the web4805

  • via Oracle Community by 807577, 11 months ago
    javax/swing/JFormattedTextField (Unsupported major.minor version 48.0)
  • via Oracle Community by 843798, 1 year ago
    javax/swing/JFormattedTextField (Unsupported major.minor version 48.0)
  • via Oracle Community by 807577, 11 months ago
    javax/swing/JFormattedTextField (Unsupported major.minor version 48.0)
  • Stack trace

    • java.lang.UnsupportedClassVersionError: javax/swing/JFormattedTextField (Unsupported major.minor version 48.0) 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) at filecollection.FileCollectionClass.<init>(FileCollectionClass.java:20) at filecollection.FileCollectionClass.main(FileCollectionClass.java:50)

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