public class UnitTest
{
    public static void main()
    {
        StudentDB csci111 = new StudentDB();
        
        for (int i=1; i<= 4; i++)
        {
            csci111.readAndAddRecord();
        }
        
        System.out.format("%nInitial class roll%n");
        csci111.printCourse();
        
        StudentRecord outVal;
        System.out.format("%nDelete second record.  Record is %n");
        outVal = csci111.remove(1);
        outVal.printRecord();
        System.out.format("%nCourse now contains:%n");
        csci111.printCourse();
        
        StudentRecord fred = new StudentRecord("Fred Smith", "CS", 2.5);
        System.out.format("%nInsert fred's record after first%n");
        System.out.format("& change the thrid to jane's record%n");
        csci111.add(1, fred);
        csci111.set(2, new StudentRecord("Jane Jones", "EE", 3.5));
        csci111.printCourse();
        
        System.out.format("%nPrint out the second record%n");
        StudentRecord temp = csci111.get(1);
        temp.printRecord();
    }
}