Write a JAVA program to model the kinds of people one finds in a university. The categories are students, teachers and teaching assistant (TAs). All these categories are kinds of Person (Person is abstract class. A teaching assistant (TA) is a student and a teacher as well. A person has a name (string). A student has grade point average GPA (between 0 to 4), the teacher has the number of scholarly papers he/she has published and the teacher assistant has the number of courses he/she assists. All the classes contain constructors with default arguments to fill all data spaces. Provide display method to print all data members of an object on the screen. Classes also contain a function called isSuccessful(). Students with a GPA over 3.5 are considered successful. This function returns true if someone is successful or false if not. In main(), define an array of Person class, which can point to students, teachers and teacher assistants. The program first asks the kind of person and then lets the user enter the name. For students, the program also asks the GPA; for teacher, its ask for the number of publications and for teacher assistants it asks the number of courses additionally. The maximum number of object, which can be kept in the array, is 10. When the user is finished, the program prints out the names and other data for all persons. It also prints whether a person is successful or not. Delete the array in the end.
Write a JAVA program to model the kinds of people one finds in a university. The categories are students, teachers and teaching assistant (TAs). All these categories are kinds of Person (Person is abstract class. A teaching assistant (TA) is a student and a teacher as well.
A person has a name (string). A student has grade point average GPA (between 0 to 4), the teacher has the number of scholarly papers he/she has published and the teacher assistant has the number of courses he/she assists.
All the classes contain constructors with default arguments to fill all data spaces. Provide display method to print all data members of an object on the screen. Classes also contain a function called isSuccessful(). Students with a GPA over 3.5 are considered successful. This function returns true if someone is successful or false if not.
In main(), define an array of Person class, which can point to students, teachers and teacher assistants. The program first asks the kind of person and then lets the user enter the name. For students, the program also asks the GPA; for teacher, its ask for the number of publications and for teacher assistants it asks the number of courses additionally.
The maximum number of object, which can be kept in the array, is 10. When the user is finished, the program prints out the names and other data for all persons. It also prints whether a person is successful or not. Delete the array in the end.
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- Write all necessary classes (including their methods).
- Write the main program which will give the above output.
- Store the output in txt file using Filing.
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