StudentTest.java

//Answer to 1A
class Student 
{
    private String name;
    private String major;
    private double gpa;

    public Student() 
    {
        this.name = "";
        this.major = "";
        this.gpa = 0.0;
    }
    public Student(String name, String major) 
    {
        this.name = name;
        this.major = major;
    }
    public Student(String name, String major, double gpa) 
    {
        this.name = name;
        this.major = major;
        this.gpa = gpa;
    }
    public String getName() 
    {
    	return name;
    }
    public void setName(String name) 
    {
   	this.name = name;
    }
    public String getMajor() 
    {
        return major;
    }
    public void setMajor(String major) 
    {
        this.major = major;
    }
    public double getGpa() 
    {
        return gpa;
    }
    public void setGpa(double gpa) 
    {
        this.gpa = gpa;
    }
    public String toString() 
    {
        return "The name is " + name + ", the major is " + major + ", and the GPA is " + gpa;
    }
}
//Answer for 1B driver class
class StudentTest 
{
    public static void main(String[] args) 
    {
        Student firstStudent = new Student("John", "CS", 3.5);  
        Student secondStudent = new Student();
        secondStudent.setName("Mary Ann");
        secondStudent.setMajor("CE");
        secondStudent.setGpa(3.3);
        System.out.println(firstStudent.toString());
        System.out.println(secondStudent.toString());
    }
}