Create an abstract Student class for Parker University. The class contains fields for student ID number, last name, and annual tuition. Include a constructor that requires parameters for the ID number and name. Include get and set methods for each field; the setTuition() method is abstract. Create three Student subclasses named UndergraduateStudent, GraduateStudent, and StudentAtLarge, each with a unique setTuition() method. Tuition for an UndergraduateStudent is $4,000 per semester, tuition for a GraduateStudent is $6,000 per semester, and tuition for a StudentAtLarge is $2,000 per semester. Code I was given - public class GraduateStudent extends Student { public static final double GRAD_TUITION = 6000; public GraduateStudent(String id, String name) { // write your code here } public void setTuition() { tuition = GRAD_TUITION; } } public abstract class Student { private String id; private String lastName; protected double tuition; public Student(String id, String name) { // write your code here } public void setId(String idNum) { // write your code here } public void setLastName(String name) { // write your code here } public String getId() { // write your code here } public String getLastName() { // write your code here } public double getTuition() { // write your code here } public abstract void setTuition(); } public class StudentAtLarge extends Student { public static final double SAL_TUITION = 2000; public StudentAtLarge (String id, String name) { // write your code here } public void setTuition() { tuition = SAL_TUITION; } } public class StudentDemo { public static void main(String[] args) { Student students[] = new Student[6]; int i; students[0] = new UndergraduateStudent("111", "Lambert"); students[1] = new UndergraduateStudent("122", "Lembeck"); students[2] = new GraduateStudent("233", "Miller"); students[3] = new GraduateStudent("256", "Marmon"); students[4] = new StudentAtLarge("312", "Nichols"); students[5] = new StudentAtLarge("376", "Nussbaum"); for(i = 0; i < students.length; ++i) System.out.println("\nStudent # " + students[i].getId() + " Name: " + students[i].getLastName() + " Tuition: " + students[i].getTuition() + " per year"); } } public class UndergraduateStudent extends Student { public static final double UNDERGRAD_TUITION = 4000; public UndergraduateStudent(String id, String name) { // write your code here } public void setTuition() { tuition = UNDERGRAD_TUITION; } }

Create an abstract Student class for Parker University. The class contains fields for student ID number, last name, and annual tuition. Include a constructor that requires parameters for the ID number and name. Include get and set methods for each field; the setTuition() method is abstract. Create three Student subclasses named UndergraduateStudent, GraduateStudent, and StudentAtLarge, each with a unique setTuition() method. Tuition for an UndergraduateStudent is $4,000 per semester, tuition for a GraduateStudent is $6,000 per semester, and tuition for a StudentAtLarge is $2,000 per semester. Code I was given - public class GraduateStudent extends Student { public static final double GRAD_TUITION = 6000; public GraduateStudent(String id, String name) { // write your code here } public void setTuition() { tuition = GRAD_TUITION; } } public abstract class Student { private String id; private String lastName; protected double tuition; public Student(String id, String name) { // write your code here } public void setId(String idNum) { // write your code here } public void setLastName(String name) { // write your code here } public String getId() { // write your code here } public String getLastName() { // write your code here } public double getTuition() { // write your code here } public abstract void setTuition(); } public class StudentAtLarge extends Student { public static final double SAL_TUITION = 2000; public StudentAtLarge (String id, String name) { // write your code here } public void setTuition() { tuition = SAL_TUITION; } } public class StudentDemo { public static void main(String[] args) { Student students[] = new Student[6]; int i; students[0] = new UndergraduateStudent("111", "Lambert"); students[1] = new UndergraduateStudent("122", "Lembeck"); students[2] = new GraduateStudent("233", "Miller"); students[3] = new GraduateStudent("256", "Marmon"); students[4] = new StudentAtLarge("312", "Nichols"); students[5] = new StudentAtLarge("376", "Nussbaum"); for(i = 0; i < students.length; ++i) System.out.println("\nStudent # " + students[i].getId() + " Name: " + students[i].getLastName() + " Tuition: " + students[i].getTuition() + " per year"); } } public class UndergraduateStudent extends Student { public static final double UNDERGRAD_TUITION = 4000; public UndergraduateStudent(String id, String name) { // write your code here } public void setTuition() { tuition = UNDERGRAD_TUITION; } }

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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This is the question -

Create three Student subclasses named UndergraduateStudent, GraduateStudent, and StudentAtLarge, each with a unique setTuition() method. Tuition for an UndergraduateStudent is $4,000 per semester, tuition for a GraduateStudent is $6,000 per semester, and tuition for a StudentAtLarge is $2,000 per semester.

Code I was given -

public class GraduateStudent extends Student

{

public static final double GRAD_TUITION = 6000;

public GraduateStudent(String id, String name)

{

// write your code here

}

public void setTuition()

{

tuition = GRAD_TUITION;

}

public abstract class Student

{

private String id;

private String lastName;

protected double tuition;

public Student(String id, String name)

{

// write your code here

}

public void setId(String idNum)

{

// write your code here

}

public void setLastName(String name)

{

// write your code here

}

public String getId()

{

// write your code here

}

public String getLastName()

{

// write your code here

}

public double getTuition()

{

// write your code here

}

public abstract void setTuition();

}

public class StudentAtLarge extends Student

{

public static final double SAL_TUITION = 2000;

public StudentAtLarge (String id, String name)

{

// write your code here

}

public void setTuition()

{

tuition = SAL_TUITION;

}

public class StudentDemo

{

public static void main(String[] args)

{

Student students[] = new Student[6];

int i;

students[0] = new UndergraduateStudent("111", "Lambert");

students[1] = new UndergraduateStudent("122", "Lembeck");

students[2] = new GraduateStudent("233", "Miller");

students[3] = new GraduateStudent("256", "Marmon");

students[4] = new StudentAtLarge("312", "Nichols");

students[5] = new StudentAtLarge("376", "Nussbaum");

for(i = 0; i < students.length; ++i)

System.out.println("\nStudent # " +

students[i].getId() + " Name: " +

students[i].getLastName() + " Tuition: " +

students[i].getTuition() + " per year");

}

public class UndergraduateStudent extends Student

{

public static final double UNDERGRAD_TUITION = 4000;

public UndergraduateStudent(String id, String name)

{

// write your code here

}

public void setTuition()

{

tuition = UNDERGRAD_TUITION;

}

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