Qn1

a) Can a void method have a return statement? If your answer is yes, in what form?

Write appropriate method headings for the following methods:

b) Calculate and return the sum of two decimal numbers.

c) Compute and return the average speed of a car, given the distance traveled (as in int) and traveling time (in hours and minutes of type int).

d) Given the radius of a circle, output the area of the circle.

e) Given a students name and three test scores (of type int), output the students name and average test score.

f) Given a number, return true if the number is a prime; otherwise, return false.

g) Given the cost of an item and the sales tax (as a decimal number), return the total sale price.

h) Given a decimal number, output the square root if the number is nonnegative; otherwise, output an appropriate error message.