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object overloaded {

  def f(x: String): String = x
  def f[T >: Null](x: T): Int = 1
  
  val x1 = f("abc")
  val x2 = f(new Integer(1))
  val x3 = f(null)
  
  val x4: String => String = f
  val x5: String => Any = f
  val x6: Any = f _
  
  def g(): Int = 1
  def g(x: Int): Int = 2
  
  val y1: Int => Int = g
  val y2: Any = g _ 
  
  println(g)

}