LLD - Design — Splitwise (Expense Sharing)
Which of the following code snippets correctly initializes a balance variable to zero in a balance calculation algorithm?
Which of the following code snippets correctly initializes a balance variable to zero in a balance calculation algorithm?
easy📝 Conceptual Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Identify correct assignment syntax
In most programming languages,=assigns a value. Sobalance = 0sets balance to zero.Step 2: Check other options for errors
:=is not standard in many languages,==is a comparison, and assigning a string 'zero' is incorrect for numeric balance.Final Answer:
balance = 0 -> Option BQuick Check:
Use = for assignment, not == or := [OK]
Quick Trick: Use single = to assign values in most languages [OK]
Common Mistakes:
- Using == instead of = for assignment
- Using := which is not common in many languages
- Assigning string instead of numeric zero
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