The class diagram with four classes Student, Graduate and Undergraduate is given. Fields and methods for each class are given below.

Student:

Fields: major (String)

gpa (double)

creditHours (int)

Methods:

getGpa: returns gpa

getYear: returns freshman, sophomore, junior or senior as determined by earned credit hours:

• Freshman: Less than 32 credit hours
• Sophomore: At least 32 credit hours but less than 64 credit hours
• Junior: At least credit hours SH but less than 96 credit hours
• Senior: At least 96 credit hours

Graduate:

Fields: degree (String) (masters or phd)

concentration (String)

years (int) (stores no. of years spent in grad school)

Methods: getYear: returns years

getConcentration: returns concentration

Undergraduate:

Fields: honors (Boolean)

Methods: isHonors: returns honors

• Write another client class.
• Create an object of class Undergraduate called John whose major is CS, gpa is 3.75, credit hours = 40 and honors = false.
• Create an object of class Graduate called Zooey whose degree is Masters, years = 1, gpa is 4, major = CS and concentration is Bioinformatics.
• Print out the Johns major, gpa, year and use isHonors method to see if the student is an honors student.
• Print out the Zooeys concentration, years spent in grad school and major.