object basics { println("Welcome to the Scala worksheet") //> Welcome to the Scala worksheet val a = 5 //> a : Int = 5 var b = 'C' //> b : Char = C b='A' b //> res0: Char = A val c:Float = 4.0.toFloat //> c : Float = 4.0 val x:Float = 'C' //> x : Float = 67.0 x //> res1: Float = 67.0 a+b //> res2: Int = 70 def fn0 = 5 //> fn0: => Int fn0 //> res3: Int = 5 def fn1(x:Int) = x // Int => Int //> fn1: (x: Int)Int fn1(3) //> res4: Int = 3 def fn2(x:Int, y:Float) = y/x //> fn2: (x: Int, y: Float)Float // (Int, Float) => Int fn2(10,20.0f) //> res5: Float = 2.0 }