You want a computed property that returns the full name by combining FirstName and LastName with a space. Which code correctly implements this?

hard🚀 Application Q8 of 15

C Sharp (C#) - Properties and Encapsulation

Apublic string FullName { get; set; } = FirstName + " " + LastName;

Bpublic string FullName { set => FirstName + " " + LastName; }

Cpublic string FullName() => FirstName + " " + LastName;

Dpublic string FullName => FirstName + " " + LastName;

Step-by-Step Solution

Solution:

Step 1: Understand computed property for concatenation
Computed property returns combined string dynamically using expression-bodied syntax.
Step 2: Evaluate options
public string FullName => FirstName + " " + LastName; correctly uses expression-bodied property. public string FullName { get; set; } = FirstName + " " + LastName; uses auto-property with initializer, which won't update if names change. public string FullName() => FirstName + " " + LastName; is a method, not a property. public string FullName { set => FirstName + " " + LastName; } uses set accessor incorrectly.
Final Answer:
public string FullName => FirstName + " " + LastName; -> Option D
Quick Check:
Computed property concatenates strings with => [OK]

Quick Trick: Use => to combine strings in computed properties [OK]

Common Mistakes:

MISTAKES

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