July 2018
Intermediate to advanced
400 pages
12h 14m
English
Content preview from Kotlin Programming: The Big Nerd Ranch Guide, First Edition
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Ranges
All the conditions that you wrote in the if/else expression for healthStatus branch off the value of an integer, healthPoints.
Some branches use the structural equality operator to check whether healthPoints is equal to a value, and others use multiple comparison operators to check whether healthPoints is within a range of two numbers.
There is a better alternative for the second group: Kotlin provides ranges to represent a linear series of values.
The .. operator, as in in 1..5, signals a range.
A range includes all values from the value on the left of the .. operator to the value on the right, so
1..5 includes 1, 2, 3, 4, and 5.
Ranges can also be a sequence of characters.
You use the in keyword to check whether a value ...
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