Scala: semicolons are optional

 Semicolons are optional in Scala.

scala> {
     |   println("Hello World")
     |   println("How are you")
     | }
Hello World
How are you

If you want to keep semicolon, you can do so.

scala> {
     |   println("Hello World");
     |   println("How are you");
     | }
Hello World
How are you

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