public void displayByMajor(int size, String[] major, int[] binaryStudentNumber, String[] lastName, String[] firstName, short[] numberOfCredits, float[] gpa) {
	System.out.println("Which major do you want to see listings for?");
	String majorSelection = keyboard.next();
	for (int count = 0; count < size; count++)
	{
		if(majorSelection.equalsIgnoreCase(major[count]) == true)
			{
				System.out.printf("%d    %s   %s   %d  %4.2 /n", binaryStudentNumber[count], 
				lastName[count], firstName[count], numberOfCredits[count], gpa[count]);
			}
	}
	
	
}