String weird behaviour

[Sandeep Kota]

Hi All,

In the following code snippet, I'm expecting the following outputs

scala> val numbers = "123456"

numbers: String = 123456

scala> numbers.foreach(n => println("Item: "+ (n+2)))

1) if it is taking 'n' as Integer 

Item: 3

Item: 4

Item: 5

Item: 6

Item: 7

Item: 8

2) if it is taking 'n' as char

Item: 12

Item: 22

Item: 32

Item: 42

Item: 52

Item: 62

But Unexpectedly I'm getting the following output.

Item: 51

Item: 52

Item: 53

Item: 54

Item: 55

Item: 56

Thanks,

Sandeep

[Oliver Ruebenacker]

     Hello,

  The character code for the character '1' is 49 according to ASCII and UTF-16, which is the encoding of Java/Scala strings.

     Best, Oliver

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Oliver Ruebenacker

Senior Software Engineer, Diabetes Portal, Broad Institute