The following is an incomplete class declaration. Fill in the data declarations and methods as indicated in the comments.
//*****************************************************
// Student.java
//
// A class representing a student; holds info about
// the student's name and test grades.
//*****************************************************
public class Student
{
//declare instance data
____________________________________________ // name
____________________________________________ // grade for test #1
____________________________________________ // grade for test #2
//---------------------------------------------------
// Constructor -- creates a student object whose name
// is the value passed in.
//---------------------------------------------------
public Student(String studentName)
{
// Assign the instance variable name the value passed in
// and initialize the two test grades to 0
}
//---------------------------------------------------------
// inputGrades: Prompts for and reads in grades for
// the student's two tests. No parameters or return value.
//---------------------------------------------------------
public void inputGrades()
{
... body of inputGrades ...(don't fill in)
}
//---------------------------------------------------
// getName: returns the student's name.
//---------------------------------------------------
_________________________________________________ //fill in header
{
// fill in the body of the method (just one line!)
_____________________________________________________;
}
//------------------------------------------------------
// getAverage: Computes and returns the average of the
// student's test grades (type double). No parameters.
//------------------------------------------------------
_____________________________________________________ //fill in header
{
// Compute and return the average (it can be done in one statement)
_______________________________________________________ ;
}
//------------------------------------------------------
// highestScore: Returns the highest test grade - no
// parameters.
// -----------------------------------------------------
______________________________________________________ // fill in header
{
int highGrade; // a local variable to hold the highest grade
// Write an if statement to assign highGrade the highest of the
// two test grades
// Return the highest grade
________________________________________________________ ;
}
//--------------------------------------------------------
// letterGrade: Returns the letter grade (type char)
// corresponding to the student's average assuming an
// average greater than or equal to 90 is an A, from 80 up
// to 90 is a B, and so on. Below 60 is an F. The method
// has no parameters.
//--------------------------------------------------------
______________________________________________________ (fill in the header)
{
double average = getAverage(); // call getAverage to compute
// the average
char letter;
// Complete the cascading if statement to assign the correct
// letter grade to the variable letter
if (average >= 90)
letter = 'A';
else if
// Return the letter grade
return letter;
}
}
public class StudentGrades
{
public static void main (String[] args)
{
Student student1 = new Student ("Sarah");
Student student2 = new Student ("John");
// Invoke input grades to read in the student grades
student1.inputGrades();
student2.inputGrades();
double average1 = student1.getAverage();
double average2 = student2.getAverage();
// Write an if ...else... statement that prints the message
// "Great work!" if Sarah's average is greater than 84; "Doing
// fine" if the average is between 70 and 84 (inclusive);
// "Work harder" otherwise
// Write an if ... else that determines who has the highest
// average - use the getName method to print the name of the person
// Be sure to also test for a tie.
}
}