Find code here - http://www.codebind.com/scala/scala-if-else-statements/
- if (condition) { statements } else { statements }
-The value is the value of whichever block is chosen
-If the value is to be used, both blocks should have the same type, otherwise the type of the result is the “least upper bound” of the two types
- if (condition) { statements }
-The value is the value of the last statement executed, but its type is
Any – if you want a value, you really should use an else

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