```
val a: Int? = 44
if (a == null) return
println...
# getting-startedj
jkbbwr
07/20/2016, 2:54 PM Copy code
val a: Int? = 44
if (a == null) return
println(a + 5) // a is infered to be Intjkbbwr
07/20/2016, 2:54 PMval a: Int? = 44
if (a == null) return
println(a + 5) // a is infered to be Int