Which of the following is the CORRECT syntax to document a class method's input and output in an LLD document?

easy🧠 Conceptual Q3 of Q15

LLD - Advanced LLD Concepts

AcalculateSum: inputs are a and b, output is sum

BMethod: calculateSum(a: int, b: int) -> int: Returns sum of a and b

CFunction calculateSum inputs a and b outputs sum

DcalculateSum(a, b) returns sum

Step-by-Step Solution

Solution:

Step 1: Identify proper method documentation format
Clear input types and output types with description is best practice.
Step 2: Compare options for clarity and completeness
Method: calculateSum(a: int, b: int) -> int: Returns sum of a and b uses parameter types and return type explicitly, making it clear.
Final Answer:
Method: calculateSum(a: int, b: int) -> int: Returns sum of a and b -> Option B
Quick Check:
Correct method doc syntax = D [OK]

Quick Trick: Use explicit types and return values in method docs [OK]

Common Mistakes:

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