2.right click on the project->Add->NewFolder.

3.rename your folders as DAL(means-Data access Language),DAO(data access objects),
Ui(user interface),Utility(extra things to make project understandable),Gateway,
Manager,others...as needed

4.place your object(student,customer etc.) class files in DAO folder because
DAO means Data Access Objects.in this way place all files which relates to
accessing data,retrieving data...

5.place all Form design files in UI folder because it means User interface.

6.place all files in Utility folder which are used to enhance program like displaying
the status message when a new customer info form is filled successfully.

7.in this way you can organize others files into specific folders according to their
meaning & tasks.

8.one thing-all data access folders including DAO folder will be placed under DAL folder
for clarifying that those are under DAL.