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                # Scala 函數 - 可變參數 Scala 允許你指明函數的最后一個參數可以是重復的,即我們不需要指定函數參數的個數,可以向函數傳入可變長度參數列表。 Scala 通過在參數的類型之后放一個星號來設置可變參數(可重復的參數)。例如: ``` object Test { def main(args: Array[String]) { printStrings("Runoob", "Scala", "Python"); } def printStrings( args:String* ) = { var i : Int = 0; for( arg <- args ){ println("Arg value[" + i + "] = " + arg ); i = i + 1; } } } ``` 執行以上代碼,輸出結果為: ``` $ scalac Test.scala $ scala Test Arg value[0] = Runoob Arg value[1] = Scala Arg value[2] = Python ```
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