Question $1$

$0\mathrm{.}5pts$

Suppose that you had program written in Java that maintain a list of courses that a student was taking, and that program was exhibiting issues from reference types. Which of the follow would most likely indicate that issue?

The program crashes immediately with a null pointer exception.

The program prompts the user for input, but instead of waiting, instantly reads a null string and continues.

The program crashes immediately with an error message about allocating memory for a new Student object.

Even after adding ten unique classes, when displaying everything, it shows the same ten classes.