1) Briefly describe what an instance method is, and how it is accessed. Also, Briefly describe ”who” has access to public instance data.
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1) Briefly describe what an instance method is, and how it is accessed. Also, Briefly describe ”who” has access to public instance data.
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- (Hand Written Submission) Question # 1 a) What is the difference between an interface, class and an instance of the class?b) Is it a good idea to make member variables private? Why or why not?c) What is a constructor? Is it possible to have more than one constructor?d) What is the difference between static data member and an instance data member?e) What is the difference between composition and aggregation? Question # 2 Write a 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. Ateaching 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 hasthe number of scholarly papers he/she has published and the teacher assistant has the number of courseshe/she assists.All the classes contain constructors with default arguments to fill all data…An aggregate object refers to an instance of a class that ....... (FILL IN THE GAP ) A contains attributes B contains private attributes C contains static methods D contains private methods E contains other objectsWhat exactly is the distinction between a class and a class instance?
- Question 11 If data members are private, what can we do to access them from the class object?2c) What are instance variables, and what role does the name ‘self’ play in thecontext of a class definition?187. An Oracle object type has two parts the _________ and__________ a. Instance and body b. Segment and blocks c. Specification and body d. Body and segment
- a- Prepare a MS. Word document that contain a UML represent a class ofyour choice, the class should satisfy the following properties:- Consists at least three private attributes.- Two constructors one with no arguments and one with arguments.- Getter and setter methods for all attributes.- Override the equals method.- implement the Comparable interface.- Override the toString methods to return a string which representsall object’s information.b- Implement the above class using java and NetBeans IDE.c- Create class called Test with main method to do the following:- Create ArrayList object.- Create the 4 objects of the above class, the information should readfrom input console.- Add the objects in the ArrayList object.- Display the information of all objects in the array list. I want different class than beforea- Prepare a MS. Word document that contain a UML represent a class ofyour choice, the class should satisfy the following properties:- Consists at least three private attributes.- Two constructors one with no arguments and one with arguments.- Getter and setter methods for all attributes.- Override the equals method.- implement the Comparable interface.- Override the toString methods to return a string which representsall object’s information.b- Implement the above class using java and NetBeans IDE.c- Create class called Test with main method to do the following:- Create ArrayList object.- Create the 4 objects of the above class, the information should readfrom input console.- Add the objects in the ArrayList object.- Display the information of all objects in the array list.4) A variable whose meaning is confined to an object of a class is called: instance variable local variable global variable none of the above Answer: 5) A variable whose meaning is confined to a method definition is called an/a instance variable local variable global variable none of the above Answer: Answer these mcq's 6) In Java, a block is delimited by: ( ) /* */ “ “ { } Answer:
- Question (see pic) Code: (see question below the code): class Document: #TO DO: define the constructor method, __init__ and then initialize values #def __init__(___, ___): # initilialize values here #TO DO: define the method add_words #def add_words(___, ___): #TO DO: define the method submit #def submit(___): #TO DO: define the method get_grade #def get_grade(___): def __str__(self): #TO DO: Fill in the blanks document_info = f"This Document instance has _ instance attributes.\n" document_info += f"The class used to create this object has _ methods and _ class attribute.\n" document_info += f"This Document instance has the following stats.\n" #TO DO: Complete document_info by adding more lines below return document_info if __name__ == "__main__": while(True): command = input() if command == 'exit': break exec(command) print(essay)What's the difference between a class's static and non-static data members? Give an example of why a static data member might be helpful in the real world.Question ¹ Computer Science Whenever you need to use the logical size of the bag within a class definition, run len(self) instead of referring directly to the instance variable self.size. true or false