$ scala
Welcome to Scala 2.12.1 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_111).
Type in expressions for evaluation. Or try :help.

scala> '\060'
<console>:1: warning: Octal escape literals are deprecated, use \u0030 instead.
'\060'
 ^
<console>:2: warning: Octal escape literals are deprecated, use \u0030 instead.
'\060'
 ^
<console>:12: warning: Octal escape literals are deprecated, use \u0030 instead.
       '\060'
        ^
res0: Char = 0

scala>