You need to store the total number of stars in a galaxy, estimated to be around 1.4 billion. Which Kotlin numeric type is most appropriate and why?

medium📝 Application Q8 of 15

Kotlin - Data Types

ALong, because it can hold large whole numbers beyond Int's limit

BInt, because it can store any whole number up to 2 billion

CFloat, because it can store large decimal numbers efficiently

DDouble, because it is the default type for decimal numbers

Step-by-Step Solution

Solution:

Step 1: Understand the number size
The number 1.4 billion (1,400,000,000) exceeds the maximum value of Int (2,147,483,647).
Step 2: Choose a type that can hold large whole numbers
Long can store values up to 9,223,372,036,854,775,807, which is sufficient.
Final Answer:
Long -> Option A
Quick Check:
1.4 billion < Long max value [OK]

Quick Trick: Use Long for whole numbers larger than Int max [OK]

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