Alok ifalok007
ifalok007
/ foreachcomr.scala
Created
July 29, 2022 07:01
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| val twentySomethings = for (user <- userBase if user.age >=20 && user.age < 30) yield user.name // i.e. add this to a list | |
| twentySomethings.foreach(println) |
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| trait Greeter { | |
| def meet(name: String): Unit | |
| def greet(name: String): Unit = println("Hello, " + name + "!") | |
| } |
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| object IdFactory { | |
| private var counter = 0 | |
| def create(): Int = { | |
| counter += 1 | |
| counter | |
| } | |
| } | |
| val newId: Int = IdFactory.create()// YOU ACCESS OBJECTS BY ITS NAME |