C Sharp (C#) - InterfacesWhich of the following is the correct way to declare an interface in C#?Aenum IExample { DoWork };Bclass IExample { void DoWork(); }Cinterface IExample { void DoWork(); }Dstruct IExample { void DoWork(); }Check Answer
Step-by-Step SolutionSolution:Step 1: Identify interface syntaxIn C#, interfaces are declared using the keyword interface followed by the name and method signatures.Step 2: Check other optionsOptions A, B, and C use enum, class, and struct keywords, which are not for interfaces.Final Answer:interface IExample { void DoWork(); } -> Option CQuick Check:Interface keyword = interface declaration [OK]Quick Trick: Look for 'interface' keyword to declare interfaces [OK]Common Mistakes:MISTAKESUsing class or struct instead of interfaceMissing method signature semicolonConfusing enums with interfaces
Master "Interfaces" in C Sharp (C#)9 interactive learning modes - each teaches the same concept differentlyLearnWhyDeepVisualTryChallengeProjectRecallTime
More C Sharp (C#) Quizzes Classes and Objects - Methods that operate on state - Quiz 2easy Collections - HashSet for unique elements - Quiz 3easy Collections - List generic collection - Quiz 3easy Exception Handling - When clause in catch - Quiz 13medium File IO - Working with JSON files - Quiz 5medium File IO - File paths and Directory operations - Quiz 15hard Inheritance - How constructor chaining works - Quiz 11easy Interfaces - Multiple interface implementation - Quiz 6medium Interfaces - Interface as contract mental model - Quiz 14medium Properties and Encapsulation - Properties vs fields - Quiz 1easy