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Ruby Programming Tutorial-18-Shortcut of getter; setter and to s method Video Lecture | Introduction to Coding with Ruby (in Hindi) - Back-End Programming
FAQs on Ruby Programming Tutorial-18-Shortcut of getter; setter and to s method Video Lecture - Introduction to Coding with Ruby (in Hindi) - Back-End Programming
| 1. What is the shortcut for defining getter and setter methods in Ruby? |  |
Ans. The shortcut for defining getter and setter methods in Ruby is to use the `attr_accessor` method. It automatically creates both the getter and setter methods for a given attribute.
| 2. How do you define only a getter method in Ruby? | |
Ans. To define only a getter method in Ruby, you can use the `attr_reader` method followed by the name of the attribute you want to create the getter for. This will create a method that allows you to retrieve the value of the attribute, but not modify it.
| 3. How do you define only a setter method in Ruby? | |
Ans. To define only a setter method in Ruby, you can use the `attr_writer` method followed by the name of the attribute you want to create the setter for. This will create a method that allows you to modify the value of the attribute, but not retrieve it.
| 4. Can you use the shortcut methods for getter and setter in conjunction with custom methods? | |
Ans. Yes, you can use the shortcut methods for getter and setter in conjunction with custom methods. The shortcut methods provide a convenient way to define basic getter and setter functionality, but you can still define additional methods as needed to customize the behavior of your class.
| 5. What is the purpose of the `to_s` method in Ruby? | |
Ans. The `to_s` method in Ruby is used to convert an object into a string representation. It is automatically called when an object is used in a string context, such as when it is interpolated into a string or passed as an argument to a method expecting a string. By default, the `to_s` method returns a string that includes the class name and object identifier, but you can override this method in your own classes to provide a custom string representation.
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Nov 22, 2024 Last updated |
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