Consider the following class definition that represents an AM radio class Radio { public bool isSwitchedOn; // either true or false public int volume; // from 0 to 10 public double frequency; // from 535 to 1605 Mhz } Provide a redesigned radio class that uses more appropriate member access operators Provide signatures for two mutator (setter) methods that will enable the two instance variables to be changed through an object of the class Write bodies for the mutator (setter) methods for which you provided signatures in question (b), above. The implemented methods must prevent the two instance variables from being set to invalid values. Return a boolean flag to indicate the success/failure of the requested operation Provide a constructor for the radio class that will initialize the instance variables to suitable (valid) start values. Write a short test harness that instantiates the radio class and demonstrates that the setter methods you designed above behave correctly Write a method start that will return true or false depending upon isSwitchedOn. What should we do if we want to hide method start.
Consider the following class definition that represents an AM radio class Radio { public bool isSwitchedOn; // either true or false public int volume; // from 0 to 10 public double frequency; // from 535 to 1605 Mhz } Provide a redesigned radio class that uses more appropriate member access operators Provide signatures for two mutator (setter) methods that will enable the two instance variables to be changed through an object of the class Write bodies for the mutator (setter) methods for which you provided signatures in question (b), above. The implemented methods must prevent the two instance variables from being set to invalid values. Return a boolean flag to indicate the success/failure of the requested operation Provide a constructor for the radio class that will initialize the instance variables to suitable (valid) start values. Write a short test harness that instantiates the radio class and demonstrates that the setter methods you designed above behave correctly Write a method start that will return true or false depending upon isSwitchedOn. What should we do if we want to hide method start.
Chapter10: Introduction To Inheritance
Section: Chapter Questions
Problem 17RQ
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OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
Question
: Consider the following class definition that represents an AM radio
class Radio
{
public bool isSwitchedOn; // either true or false
public int volume; // from 0 to 10
public double frequency; // from 535 to 1605 Mhz
}
- Provide a redesigned radio class that uses more appropriate member access operators
- Provide signatures for two mutator (setter) methods that will enable the two instance variables to be changed through an object of the class
- Write bodies for the mutator (setter) methods for which you provided signatures in question (b), above. The implemented methods must prevent the two instance variables from being set to invalid values. Return a boolean flag to indicate the success/failure of the requested operation
- Provide a constructor for the radio class that will initialize the instance variables to suitable (valid) start values.
- Write a short test harness that instantiates the radio class and demonstrates that the setter methods you designed above behave correctly
- Write a method start that will return true or false depending upon isSwitchedOn.
- What should we do if we want to hide method start.
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