January 2018
Intermediate to advanced
434 pages
14h 1m
English
Content preview from Kotlin Programming Cookbook
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Converting with special radix
All the preceding examples use the base (radix) 10. There are cases when we wish to convert a String to Long but using another base. Both string.toLong() and string.toLongOrNull() can receive a custom radix to be used in the conversion. Let's take a look at its implementation:
- string.toLong(radix):
- This parses the string as a [Long] number and returns the result
- @throws NumberFormatException if the string is not a valid representation of a number
- @throws IllegalArgumentException when [radix] is not a valid radix for string to number conversion
- string.toLongOrNull(radix):
- This parses the string as a [Long] number and returns the result or null if the string is not a valid representation of a number
- @throws ...
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