Which of these is the correct class de¯nition for a Teacher class?

a. public CLASS Teacher
b. public class Teacher
c. public class TEACHER
d. public class Teacher []
e. public class Teacher extends Object, Person


b. public class Teacher
All Java keywords are lowercase and class names start with an uppercase letter. So the second one is correct. The last one tries to extend two classes and this isn't allowed in Java. A class can only have one parent class.

Computer Science & Information Technology

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