Question

Draw the UML class diagram in Java and write the equivalent Java code.

Exercise 6 

Person 

+ name: string 

+ age : int=0 

Student 

+ grades: list 

Professor 

+ listofstudents : list

Answer 1

CODE:

import java.util.ArrayList;

class Person {

    // class datamembers

    public String name;

    public int age;

    // default constructor

    Person() {

        age = 0;

    }

}

// Student class inherits from Person

class Student extends Person {

    public ArrayList grades;

}

// Professor class inherits from Person

class Professor extends Person {

    public ArrayList listOfStudents;

}

1 import java.util.ArrayList; 2 3 4 class Person { // class datamembers public String name; public int age; 5 6 7 8 9 // default constructor Person() { age = @; } 10 11 12 13 } 14 15 16 // Student class inherits from Person class Student extends Person { public ArrayList grades; 17 18 19 } 20 21 22 23 ! Professor class inherits from Person class Professor extends Person ( public ArrayList listof Students; 24 25 Y

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