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Question 2 of 20

C# 9.0 - Provide an example of using a 'with' expression

This interview question shows the developer's understanding of C# expressions.

The 'with' expression allows you to copy a record type to another instance, keeping the unchanged values the same, but allowing you to create a new instance and changing only the values you wish to change. This offers convenience in not having to redefine the variable values

            Animal animal1 = new("Feline", "Aspthicus");
            var animal2 = animal1 with {Specie = "Baculatus" };

            Console.WriteLine(animal1.Genus +" "+ animal1.Specie);// output Feline Aspthicus
            Console.WriteLine(animal2.Genus+" "+animal2.Specie); // output Feline Baculatus

Written by on May 17th, 2021

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How to Answer: C# 9.0 - Provide an example of using a 'with' expression

Advice and answer examples written specifically for a C# Advanced job interview.

  • 2. C# 9.0 - Provide an example of using a 'with' expression

      This interview question shows the developer's understanding of C# expressions.

      The 'with' expression allows you to copy a record type to another instance, keeping the unchanged values the same, but allowing you to create a new instance and changing only the values you wish to change. This offers convenience in not having to redefine the variable values

                  Animal animal1 = new("Feline", "Aspthicus");
            var animal2 = animal1 with {Specie = "Baculatus" };

            Console.WriteLine(animal1.Genus +" "+ animal1.Specie);// output Feline Aspthicus
            Console.WriteLine(animal2.Genus+" "+animal2.Specie); // output Feline Baculatus

      Written by Edward Danganan on April 21st, 2021

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