I have install java in my computer. when i doing compile java program it is successfully done but when i try to run program it show error like
Exception in thread "main" java.lang.UnsupportedClassVersionError: Example2 : Unsupported major.minor version 51.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:634)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:277)
at java.net.URLClassLoader.access$000(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:212)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
Could not find the main class: Example2. Program will exit.
what should i do??
apt-get
/Software Center/Oracle installer)? Which Java version you have (java -version
)? Ubuntu version and arch? Check you are not compiling your app with a newer version of the JRE you are using to run the program (ex: compiling with OpenJDK7 and running with Oracle JDK6).