java runtime error

Jonathan Gibbons jonathan.gibbons at oracle.com
Fri Aug 15 18:04:46 UTC 2014


Akrem,

This list is for the discussion of issues related to the implementation 
of the Java compiler, javac.

-- Jon

On 08/15/2014 05:21 AM, Akrem Gassoumi wrote:
>
> Hi there ,
>
> I am starting with java learning and by testing the examples you 
> mentionned in "jls8-diif.pdf" page 44 and instead of an output "
> -727379968
> 1000000000000
> "
>
>
> here what i got instead ,
>
> Exception in thread "main" java.lang.UnsupportedClassVersionError: 
> Test0 : Unsupported major.minor version 51.0
>     at java.lang.ClassLoader.defineClass1(Native Method)
>     at java.lang.ClassLoader.defineClass(ClassLoader.java:643)
>     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$1.run(URLClassLoader.java:212)
>     at java.security.AccessController.doPrivileged(Native Method)
>     at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
>     at java.lang.ClassLoader.loadClass(ClassLoader.java:323)
>     at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
>     at java.lang.ClassLoader.loadClass(ClassLoader.java:268)
> Could not find the main class: Test0. Program will exit.
>
> ====So any help , i tried to google it but in vain still no solution
> PS: Test0 is the name of my class
>
>
> -- 
> GasAkrem



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