Objects First with Java: A Practical Introduction Using BlueJ (6th Edition)
6th Edition
ISBN: 9780134477367
Author: David J. Barnes, Michael Kolling
Publisher: PEARSON
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Textbook Question
Chapter 10, Problem 18E
Look at the code below. You have four classes (0, X, T, and M) and a variable of each of these.
The following assignments are all legal (assume that they all compile):
The following assignments are all illegal (they cause compiler errors):
What can you say about the relationships of these classes? Draw a class diagram.
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Please use Python for this problem:
Make sure code is in correct format so it can run in Python without any errors and has the correct answer. When you are finished, test your solutions using a doctest:
Develop a class Volume that stores the volume for a stereo that has a value between 0 and 11. Usage of the class is listed below the problem descriptions. Throughout the class you must guarantee that:
The numeric value of the Volume is set to a number between 0 and 11. Any attempt to set the value to greater than 11 will set it to 11 instead, any attempt to set a negative value will instead set it to 0.
This applies to the following methods below: __init__, set, up, down
You must write the following methods:
__init__ - constructor. Construct a Volume that is set to a given numeric value, or, if no number given, defaults the value to 0. (Subject to 0 <= vol <=11 constraint above.)
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Look at the code below. You have four classes (O, X, T, and M) and a variable of each of these.O o;X x;T t;M m;The following assignments are all legal (assume that they all compile):m = t;m = x;o = t;The following assignments are all illegal (they cause compiler errors):o = m;o = x;x = o;What can you say about the relationships of these classes? Draw a class diagram.
Description:
In a hypothetical class, students take two midterms and an optional final. If a student takes the final and gets in it a
better score than the lowest of the two midterm scores, then the lowest midterm score would be replaced by the
comprehensive final score. The overall score will then be calculated by averaging the three test scores. If the student
does not take the optional final, the overall score is calculated using only the two midterm scores. Students’ exam
scores are included in the “Question1” tab in the attached worksheet. Empty data entries for the optional
comprehensive final means that the student did not take the optional final.
Tasks:
Task 1: In Question1_Module, code a function that requires midterm1 score, midterm2 score, and comprehensive
final as inputs and calculate the overall score per the description above.
Task 2: In Question1_Module, code a Sub that uses the function coded in task 1 to fill column ‘I’ of the worksheet
and link this…
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Objects First with Java: A Practical Introduction Using BlueJ (6th Edition)
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