I can not run any java program!!

[e_mosallam]

Hello all...
I am using jGrasp as my editor...and it was work OK...
BUT Now when i try to run any program this messages displayed:

java.lang.UnsupportedClassVersionError: Test (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)
Exception in thread "main"
----jGRASP wedge2: exit code for process is 1.
----jGRASP: operation complete.


PLEASE help me...

[halo3d]

uninstall and install te latest version of java

[Uladzimir]

uninstall and reinstall java

No. It does not solve your problem. You get this exception because you are running a java application which compliled with newest java vestion. For example, you have JSDK 1.3 but jars were created with aid of JSDK 1.5.
So you shoud upgrade your JSDK.

[e_mosallam]

Thank u to all
But before that i can run the same programs without any problems!!