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object Test extends App
{
val a1 = Array(0,1,2,3).toArray[Any]
// val a1 = x1.toArray[Any]
val a2 = Array('a','b','c','d').toArray[Any]
val a3 = Array("e","f","g","h").toArray[Any]
Array.copy(a3, 0, a1, 0, 4)
Array.copy(a2, 0, a3, 0, 4)
Array.copy(a2, 0, a1, 0, 4)
println(a1.mkString + a2.mkString + a3.mkString)
}
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