Which of the following is the correct syntax to declare a class Car implementing interfaces IMovable and IEngine?

easy📝 Syntax Q12 of 15

C Sharp (C#) - Interfaces

Which of the following is the correct syntax to declare a class Car implementing interfaces IMovable and IEngine?

Apublic class Car : IMovable, IEngine { }

Bpublic class Car implements IMovable, IEngine { }

Cpublic class Car inherits IMovable, IEngine { }

Dpublic class Car : IMovable & IEngine { }

Step-by-Step Solution

Solution:

Step 1: Recall C# interface syntax
In C#, a class uses a colon ':' followed by interface names separated by commas.
Step 2: Check each option
public class Car : IMovable, IEngine { } uses ':' and commas correctly. Options B and C use wrong keywords. public class Car : IMovable & IEngine { } uses '&' which is invalid.
Final Answer:
public class Car : IMovable, IEngine { } -> Option A
Quick Check:
Interfaces listed after ':' separated by commas [OK]

Quick Trick: Use ':' and commas to list interfaces after class name [OK]

Common Mistakes:

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