模式匹配case class

match表達式 // 正則匹配 val pattern = "([0-9]+) ([a-z]+)".r; "741258933 hadoop" match { case pattern(num,item) => println(num+":"+item) }   輸出結果：741258933:hadoopjava   數組匹配 def match_array(arr:Any

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