need help with java on centttos 7

[Google]

After spending a whole day trying to figure this out i ended up with this error when trying

java -jar name.jar

Error:

Error occurred during initialization of VM
java/lang/NoClassDefFoundError: java/lang/Object

before it use to tel me cannot find or load main class

 

anyone can help me    out with this?

[The Hero of Time]

sounds like java isnt installed properly

 

try uninstalling and re-installing