1. What is the purpose of the javadoc utility program? 2. Write comments in javadoc format for the following methods: • isPointOn of the class VerticalLine, as given. • display of the class SquareBox,...

1. What is the purpose of the javadoc utility program?

2. Write comments in javadoc format for the following methods:

• isPointOn of the class VerticalLine, as given.

• display of the class SquareBox, as given.

3. What are preconditions and postconditions?

4. Why is cohesion important?

5. What data fields would you use in the definition of a class Address to represent a person’s address? What new or existing classes are involved?