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iOS Object-Oriented Swift Properties Getter and Setter Methods

Posted by Memory Mungofa
Memory Mungofa
3,343 Points

please help im stuck on what i should code on the set method

we need to add getter & setter methods to the fahrenheit property of the temperature class. add a getter method to the access the value of the fahrenheitn property . Then add asetter method when the user assigns a value to the fahrenheit property , the setter method will calculate & assign a value to the celsius property. NB: Ceisius(Fahrenheit - 32)/1.8))

Temperature.swift 
class Temperature {
    var celsius: Float = 0.0
    var fahrenheit: Float {
       get {
        return (celsius * 1.8) + 32.0
       }
        set
            {

            }
    }    
}

1 Answer

Holger Liesegang
Holger Liesegang
50,595 Points
Holger Liesegang
Holger Liesegang
50,595 Points

Hi Memory Mungofa !

You can set celsius like this: celsius = (newValue - 32) / 1.8 because setters can use a special variable named newValue to access the new value.

class Temperature {
  var celsius: Float = 0.0
  var fahrenheit: Float {
    get {
      return (celsius * 1.8) + 32.0
    }
    set {
      celsius = (newValue - 32) / 1.8
    }
  }
}
Memory Mungofa
Memory Mungofa
3,343 Points

best answer . Thank you