You want to print the price with a dollar sign, for example: $20. Which Kotlin string correctly shows the dollar sign before the number stored in price?

hard📝 Application Q15 of 15

Kotlin - Variables and Type System

You want to print the price with a dollar sign, for example: $20. Which Kotlin string correctly shows the dollar sign before the number stored in price?

Aprintln("$price")

Bprintln("\$price")

Cprintln("$\$price")

Dprintln("\$$price")

Step-by-Step Solution

Solution:

Step 1: Understand escaping dollar sign in Kotlin strings
To print a literal dollar sign, use \$ to escape it.
Step 2: Combine escaped dollar sign with variable
"\$$price" prints a literal $ followed by the value of price.
Final Answer:
println("\$$price") -> Option D
Quick Check:
Escape $ with \$ to print it literally [OK]

Quick Trick: Escape $ as \$ to print dollar sign literally [OK]

Common Mistakes:

MISTAKES

Not escaping $ prints variable name or causes error
Using $\$ instead of \$$
Confusing escape sequences

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More Kotlin Quizzes

You want to print the price with a dollar sign, for example: $20. Which Kotlin string correctly shows the dollar sign before the number stored in price?

Step 1: Understand escaping dollar sign in Kotlin strings

Step 2: Combine escaped dollar sign with variable

Final Answer:

Quick Check:

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