What kind of apps will i be able to create with java ?

Answer 1

Java allows you to write a wide range of applications.

You can write GUI based desktop applications like this one : http://www.ganttproject.biz/
You can also create games like Minecraft.

Other possibilities involves creating Web Applications combining "front end" (the webpage) and backend development (The smart of your app) .

Android applications development is based on Java also.

Possibilities are endless : )

Answer 2

Thanks.