objectTestextendsdotty.runtime.LegacyApp{vala1=Array(0,1,2,3).toArray[Any]// val a1 = x1.toArray[Any]vala2=Array('a','b','c','d').toArray[Any]vala3=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)}