What is object$-$oriented Analysis and Design?

$2.$ What is an Object?

$3.$ What is classes?

$4.$ Draw and show an example of UML class.

$5.$ What is inheritance?

$6.$ With an example show inheritance in a class diagram.

$7.$ What are CRC cards and what is the use of CRC cards?

$8.$ How will the interaction occur during a CRC Session?

$9.$ What is Unified Modeling Language $($UML$)?$

$10.$ What is mean by $$Things$$ in UML? Explain with examples.

$11.$ What is mean by $$Relationships$?$ Explain with examples.