What is the difference between variable declared inside a declaration part and variable declared in scriplet part?

Variable declared inside declaration part is treated as a global variable.that means after convertion jsp file into servlet

• that variable will be in outside of service method as an instance variable
• the scope is available to complete jsp and to complete in the converted servlet class.

Variable declared inside a scriplet that variable will be declared inside a service method and the scope is with in the service method.