Mindtap Programming, 1 Term (6 Months) Printed Access Card For Farrell's Java Programming, 9th
Mindtap Programming, 1 Term (6 Months) Printed Access Card For Farrell's Java Programming, 9th
9th Edition
ISBN: 9781337397117
Author: FARRELL, Joyce
Publisher: Cengage Learning
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Chapter 3, Problem 12PE

Explanation of Solution

a.

Program code:

Student.java

//define a class Student

class Student

{

//declare the class members

private String ID;

private int numberOfCredits;

private int points;

private double gradePoint;

//define the constructor

public Student()

{}

//define the constructor

public Student(String aID, int aNumberOfCredits, int aPoints)

{

//initialize the class members

super();

ID = aID;

numberOfCredits = aNumberOfCredits;

points = aPoints;

//call the method calculateGradePoint()

calculateGradePoint();

}

//define the method getID()

public String getID()

{

//return the value of ID

return ID;

}

//define the method setID()

public void setID(String aID)

{

//set the value of ID

ID = aID;

}

//define the method getNumberOfCredits()

public int getNumberOfCredits()

{

//return the value of numberOfCredits

return numberOfCredits;

}

//define the method setNumberOfCredits()

public void setNumberOfCredits(int aNumberOfCredits)

{

//set the value of numberOfCredits

numberOfCredits = aNumberOfCredits;

}

//define the method getPoints()

public int getPoints()

{

//return the value of points

return points;

}

//define the method setPoints()

public void setPoints(int aPoints)

{

//set the value of points

points = aPoints;

}

//define the method toString()

public String toString()

{

//return the value

return "ID : " + ID + " NumberOfCredits : " + numberOfCredits + " Points : " + points+" Grade Point : "+gradePoint;

}

//define the method calculateGradePoint()

public void calculateGradePoint()

{

//calculate the value of gradePoint

gradePoint=points/(double)numberOfCredits;

}

}

Explanation:

The above snippet of code is used create a class “Student”. The class contain different static methods for store the details of a student. In the code,

  • Define a class “Student”
    • Define the constructor “Student ()” method.
    • Define the constructor “Student ()” method.
      • Initialize the class members.
      • Call the method “calculateGradePoint()”.
    • Define the “getID()” method.
      • Return the value of the variable “ID”.
    • Define the “setID()” method.
      • Set the value of the variable “ID”.
    • Define the “getNumberOfCredits()” method.
      • Return the value of the variable “NumberOfCredits”...

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