Explain what is meant by the term polymorphism in java, Other Subject

Assignment Help:

Question 1:

(a) Write the definition of a class called ‘Point' in Java. The class should contain the following:-

(i) Two integer variables x and y declared protected.
(ii)The class Point has a public no-argument constructor to set the coordinates at the Origin (0, 0).
(iii)A second constructor with 2 parameters to set the coordinates of the point at the location defined by the parameters.
(iv)A public method to set the coordinates of the point at the location defined by the global protected variables x and y.
(v) A public get method to return the x-coordinate.
(vi) A public get method to return the y-coordinate.
(vii) A public String method to return the location of the point.

Question 2:

(b) Now write the definition of a class called ‘Circle' which inherits from the class Point.
The class Circle should contain the following:-
(i) A protected variable for the radius of the circle
(ii) A no-argument constructor to set the radius to 0.
(iii) A constructor containing 3 parameters and which calls the superclass constructor with the values and to set the radius.
(iv) A public method to set the radius of the circle.
(v) A public method to return the value of the radius
(vi) A public method to compute the area of the circle
(vii) A String method to return the location of the centre of the circle and its radius.

(c) Write the code for a test class to pass the different values of radius and coordinates and to compute the area of the circle.

(d) Briefly explain what is meant by the term ‘polymorphism' in Java.


Related Discussions:- Explain what is meant by the term polymorphism in java

Overtaking - maneuvers on highways, Overtaking - Maneuvers on Highways ...

Overtaking - Maneuvers on Highways Overtaking is one of the most risky Maneuvers on Highways. The practice of overtaking maneuvers is to visualize in advance every detail of w

Aaron Feuerstein, AskExplain why Aaron Feuerstein felt his decisions were n...

AskExplain why Aaron Feuerstein felt his decisions were necessary for his company and for his employees. Discuss the pros and cons of Aaron Feuerstein''s decision making, and ex

First Americans Review, Name three advanced civiliations that existed in C...

Name three advanced civiliations that existed in Central and South America before the arrival of Christopher Columbus

PRODUCT MIX, PRODUCT MIX OF LG COMPZNY??

PRODUCT MIX OF LG COMPZNY??

Medical terminology, what is the definition in medical terms- corneal xeros...

what is the definition in medical terms- corneal xerosis?

Anus, The anus is the last part of the digestive tract. It is a 2-inch long...

The anus is the last part of the digestive tract. It is a 2-inch long canal consisting of the pelvic floor muscles and the two anal sphincters (internal and external). The lining o

What is peculiar about pallava art, Question 1 Explain the chacteristics o...

Question 1 Explain the chacteristics of people belonging to the Indus valley civilization Question 2 Trace the development of caste system in the Post - Vedic age

Social work, how much would it cost to write a 6 page paper bachelors level...

how much would it cost to write a 6 page paper bachelors level?

Classics and the modern world, Classics and the Modern World: These are th...

Classics and the Modern World: These are the study of the culture, languages, history and thought of the civilizations of ancient Rome and Greece. It is one of the most interd

What are the new trends in family structures, Question 1: (A) Provide a...

Question 1: (A) Provide a detailed description of the Sexual-response cycle. (B) Discuss the sexual problems that can occur during any of the stages of the sexual-response

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd