Java test

Can somebody help me in this quite easy java test? I have some answers.

test java pdf

1c
2d
3c
4?
5b,e
6d
7a,c- inherence, b,d-composition

Thanks for all!:)-:

If you have a question, post it here, copyright permitting. If the copyright doesn't permit that, you shouldn't be asking on a public forum anyways.

I'm removing the link to the pdf.

db

edit: Recommended reading: How to ask questions the smart way