C Sharp (C#) - Strings and StringBuilder
Which of the following is the correct syntax for formatting a double value to show two decimal places using string interpolation in C#?
Which of the following is the correct syntax for formatting a double value to show two decimal places using string interpolation in C#?
easy📝 Syntax Q12 of Q15
Step-by-Step Solution
Solution:
Step 1: Recognize C# format specifier syntax
In C#, inside interpolation braces,:0.00formats numbers to two decimals.Step 2: Check each option's correctness
double price = 9.99; string s = $"Price: {price:0.00}"; uses correct format{price:0.00}. double price = 9.99; string s = $"Price: {price,2}"; uses comma which is for alignment, not decimals. double price = 9.99; string s = $"Price: {price:.2f}"; uses Python style.2fwhich is invalid in C#. double price = 9.99; string s = $"Price: {price.ToString("0.00")}"; callsToStringinside interpolation but with escaped quotes incorrectly.Final Answer:
double price = 9.99; string s = $"Price: {price:0.00}"; -> Option AQuick Check:
Format decimals with :0.00 inside {} [OK]
Quick Trick: Use colon and format code inside braces for formatting [OK]
Common Mistakes:
MISTAKES- Using Python or other language format codes
- Confusing alignment comma with format colon
- Trying to call methods inside interpolation incorrectly
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