Kotlin - Data Types
What is the output of this Kotlin code?
val x = 0xF_A
val y = 0b1010_1010
println(x + y)
What is the output of this Kotlin code?
medium📝 Predict Output Q13 of 15
Step-by-Step Solution
Solution:
Step 1: Convert hexadecimal and binary literals to decimal
0xF_A means hex FA: F=15, A=10, so 15*16 + 10 = 250. 0b1010_1010 is binary 10101010 which equals 128+32+8+2=170.Step 2: Add the decimal values
250 + 170 = 420.Final Answer:
420 -> Option CQuick Check:
(0xFA + 0b10101010) = 420 [OK]
Quick Trick: Convert hex and binary to decimal before adding [OK]
Common Mistakes:
MISTAKES- Misreading hex digits
- Incorrect binary to decimal conversion
- Ignoring underscores in literals
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