Prompt We have learned how to use accessor and mutator methods to access private class member data. It is possible to instead make the class members public, which would allow other programs to directly retrieve and modify the class member data without needing to write the accessor and mutator methods. This is usually considered bad practice. Why do you think that is? What do you think the benefits are to writing accessor and mutator methods instead of just leaving the variables public? Below is the definition for a class called Counter. Define a new method for this class called "findDifference". This method should take another Counter object as an argument and return the difference in the counts between the counter being called and the one passed as an argument. The difference should be given as an absolute value (not returned as a negative). See below the class definition for examples of this method being used. public class Counter { private int count; public Counter() { count = 0; } public int countUp() { count++; return count; } public int getCount() { return count; } } Examples of findDifference: Counter "a" has count 5. Counter "b" has count 10. Counter "myCount" has count 200. Counter "yourCount" has count 0. a.findDifference(b); // This returns 5 b.findDifference(a); // This also returns 5 myCount.findDifference(yourCount); // This returns 200 yourCount.findDifference(b); // This returns 10 b.findDifference(myCount); // This returns 190

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Prompt

We have learned how to use accessor and mutator methods to access private class member data. It is possible to instead make the class members public, which would allow other programs to directly retrieve and modify the class member data without needing to write the accessor and mutator methods. This is usually considered bad practice. Why do you think that is? What do you think the benefits are to writing accessor and mutator methods instead of just leaving the variables public?
Below is the definition for a class called Counter. Define a new method for this class called "findDifference". This method should take another Counter object as an argument and return the difference in the counts between the counter being called and the one passed as an argument. The difference should be given as an absolute value (not returned as a negative). See below the class definition for examples of this method being used.

public class Counter {
private int count;

public Counter() {
count = 0;
}

public int countUp() {
count++;
return count;
}

public int getCount() {
return count;
}
}

Examples of findDifference:

Counter "a" has count 5. Counter "b" has count 10. Counter "myCount" has count 200. Counter "yourCount" has count 0.

a.findDifference(b); // This returns 5

b.findDifference(a); // This also returns 5

myCount.findDifference(yourCount); // This returns 200

yourCount.findDifference(b); // This returns 10

b.findDifference(myCount); // This returns 190

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.

Similar questions