Complete the following code snippet that displays a student's major, assuming that the method findStudentByID takes a student id as input and returns a result of type Optional<Student>.Also, assume the getMajor method returns a String representing the student's major.
Optional<Student> studentSearch = findStudentByID("123456789") ;
if (____________________)
{
System.out.println(studentSearch.get() .getMajor() ) ;
}
else
{
System.out.println("Student does not exist") ;
}

Question

Quizplus · Accepted Answer

Since the findStudentByID method returns an Optional object, we should check if that object contains a value using the isPresent() method before calling any methods like get(). This is because calling get() on an Optional object that contains no value will result in a NoSuchElementException. Therefore, the correct choice is C.

Complete the Following Code Snippet That Displays a Student's Major