san juan sailboat charters (sjsbc) is an agency that leases (charters) sailboats. sjsbc does not own the boats. instead, sjsbc leases boats on behalf of boat owners who want to earn income from their boats when they are not using them, and sjsbc charges the owners a fee for this service. sjsbc specializes in boats that can be used for multiday or weekly charters. the smallest sailboat available is 28 feet in length and the largest is 51 feet in length.

Pp 4.1 design and implement a class called sphere that contains instance data that represents the sphere’s diameter. define the sphere constructor to accept and initialize the diameter and include getter and setter methods for the diameter. include methods that calculate and return the volume and surface area of the sphere (see pp 3.5 for the formulas). include a tostring method that returns a one-line description of the sphere. create a driver class called multisphere, whose main method instantiates and updates several sphere objects.

Worth 50 points answer them bc i am not sure if i am wrong

Write a program that reads a set of floating-point values. ask the user to enter the values, then print • the average of the values. • the smallest of the values. • the largest of the values. • the range, that is the difference between the smallest and largest. of course, you may only prompt for the values once.