Class Definition Ch 04-1

Class Definition Ch 04-1
import java.text.DecimalFormat;
public class Student
{
private String name;
private String major;
private double gpa;
private int hours;

public Student(String newName, String newMajor, double
newGPA, int newHours)
{
name = newName;
major = newMajor;
gpa = newGPA;
hours = newHours;
}

public String toString()
{
// xxxx needs to be replaced
DecimalFormat df = new DecimalFormat("xxxx") ; return name + "\n" + major + "\n" + df.format(gpa)
+ "\n" + hours
}
}

-Refer to Class Definition Ch 04-1: Another method that might be desired is one that updates the student's number of credit hours. This method will receive a number of credit hours and add these to the student's current hours. Which of the following methods would accomplish this?

A) public int updateHours()
{ return hours; }
B) public void updateHours()
{ hours++; }
C) public updateHours(int moreHours)
{ hours += moreHours; }
D) public void updateHours(int moreHours)
{ hours += moreHours; }
E) getClassRank(sq) ;public int updateHours(int moreHours)
{ return hours + moreHours; }