January 2018
Intermediate to advanced
434 pages
14h 1m
English
Content preview from Kotlin Programming Cookbook
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Converting string to Long using string.toLongOrNull()
In this example, we will see how we can parse a string using the .toLongOrNull() method:
fun main(args: Array<String>) { val str="123.4" val str2="123" println(str.toLongOrNull()) println(str2.toLongOrNull())}
On running the preceding program, the following output is generated:
null 123
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