Distinguish between the definition of a class in the design phase and in the implementation phase. We say that a record is passive, but a class is active. Explain. List and define the three...

Distinguish between the definition of a class in the design phase and in the implementation phase. We say that a record is passive, but a class is active. Explain. List and define the three ingredients necessary in an object-oriented language. Altering someone’s Web site is illegal. Should it be illegal to enter a secure site just to show you can do it?