Java code is not working in compiler?

Answer 1

the java program is running fine here, except GUI based programs..u might have problem in your logic..

Answer 2

package are also not working

Answer 3

which package are you importing?
if you are trying to create package it won't work.. since it won't create it to your drive.. it's on server.. so u won't be able to fetch the package, which u r trying to create..
and other built in java packages classes and libraries u can access