public class MyStudents
{
    public static void main (String[] args)
    {
        // using parameter constructors
        Student larry = new Student("Larry", 3.43) ;
        Student moe = new Student("Moe", 2.34) ;
        Student curly = new Student("Moe", 2.34) ;

        // using default constructor
        Student johnDoe = new Student() ;

        // using modifier methods
        johnDoe.setName("Shemp") ;
        johnDoe.setGPA(1.5) ;

        // print each object's data
        System.out.println("object larry named " + larry.getName() +
                           " has a GPA of "      + larry.getGPA() ) ;
        System.out.println() ;

        System.out.println("object moe named " + moe.getName() +
                " has a GPA of "      + moe.getGPA() ) ;
        System.out.println() ;

        System.out.println("object curly named " + curly.getName() +
                " has a GPA of "      + curly.getGPA() ) ;
        System.out.println() ;

        System.out.println("object johnDoe named " + johnDoe.getName() +
                " has a GPA of "      + johnDoe.getGPA() ) ;

        // change larry's gpa
        larry.setGPA(1.5) ;

        // print larry's change gpa
        System.out.println() ;
        System.out.println("object larry's change GPA = " + larry.getGPA() ) ;
    }
}