Often a module is too large to fit comfortably into a single file. When that happens, you can use traits to split a module into separate files. Which of the following is described by the above statement?

Which one describes using Scala class that is defined in a package object from Java?

Correct statements that describe a Scala Case class?

Scala is ................ with Java. The two languages are interoperable with each other.

Choose the correct statement that describes an 'abstract sealed' class?

Which one is false about Case Class?

Are parenthesis `(` and curly braces `{` interchangeable?

What is a lazy var?

What would be returned by the following function: def foo(l:List[Int]) = { var x=l.head; l.collect{ case a:Int if a>x => x=a; a }; x } When passed: List(2,4,6,8,6,3,1)

`() => Unit` is best described as

What will the following function return: def foo(o:Any) = { o match { case Option(x) => "hi!" case anything => anything } } When passed a 'None' object?