scala> //Any method that has only 1 argument can be called #213 scala> // using Curly braces instead of Parenthesis scala> //The real utility of Curly Braces comes into Picture scala> // when we being to pass Function Literals as argument scala> // to a Function scala> scala> //The method scala> def demo(msg: String) = { | println("Message -> " + msg) | } demo: (msg: String)Unit scala> scala> //Example 1 : Called using parenthesis scala> demo("hello") Message -> hello scala> scala> //Example 2 : Called using Curly Braces scala> demo{"hello"} Message -> hello scala> scala> //------------------------------------------- scala> //NOTE : Functions with 2 arguments cannot be scala> //called in this way(as shown below). We would scala> //need to use 'Currying' in order to achieve scala> //this scala> //------------------------------------------- scala> def printMsg(msg1: String, msg2: String) = { | println("M1 -> " + msg1 + ", M2 -> " + msg2) | } printMsg: (msg1: String, msg2: String)Unit scala> scala> //This works scala> printMsg("hello", "scala") M1 -> hello, M2 -> scala scala> scala> //This do not work scala> printMsg{"hello", "scala"} <console>:1: error: ';' expected but ',' found. printMsg{"hello", "scala"} ^