when i click on my jar folder,nothing happens, i also tried opening by using command prompt .no use

plsss help me

Be sure that you have specified the main-class attribute in your manifest file.

when i click on my jar folder,nothing happens, i also tried opening by using command prompt .no use

plsss help me

I have created the jar file from netbeans ide.Main-Class will be added automatically by build

I have created the jar file from netbeans ide.Main-Class will be added automatically by build

yes maybe added, but you have to check Project properties in Tab Run

Thank you all,
its working...................