You have a variable char grade that can be 'A', 'B', 'C', 'D', or 'F'. You want to print a message for each grade. Which is the most efficient way?

hard📝 Application Q9 of 15

C - onditional Statements

You have a variable char grade that can be 'A', 'B', 'C', 'D', or 'F'. You want to print a message for each grade. Which is the most efficient way?

AUse if statements with floating-point comparisons

BUse if-else statements comparing grade with strings

CUse switch with integer ranges for grades

DUse a switch statement with cases for each grade character

Step-by-Step Solution

Solution:

Step 1: Understand the variable type and values
grade is a char with discrete values 'A' to 'F'.
Step 2: Choose the best control structure
Switch works well with char constants; if-else with strings is incorrect; ranges and floats are not applicable.
Final Answer:
Use a switch statement with cases for each grade character -> Option D
Quick Check:
Switch with char cases = A [OK]

Quick Trick: Switch works well with char values like grades [OK]

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