//元组class Demo2 extends TestCase {    def test_create_^^(){      val yuana = (1,true,1.2,"c","phone")        val v1 = yuana._1      val v2 = yuana _2 ;      val y1 = test_return_yuanzu()       val k1 = y1._1      println(test_return_yuanzu3(3, 4, 4))            test_return_yuanzu4(ma)      test_return_yuanzu4((K:Int,y:Double,c:String)=>{         println("scala 匿名函数 玩的不是一条道啊")          println("java是怎么搞定它的")          println("关键是如何在java中配合scla开发了")          println("scala太自由了")       })  }        def test_return_yuanzu():(Int,Int)={      (10,10)  }    def test_return_yuanzu2():(Int,String,String) = (1,"2","2")      def test_return_yuanzu3(x:Int,y:Int,c:Int):(Int,String,String) = (x+y+c,"2","2")      def test_return_yuanzu4(ma:(Int,Double,String)=>Unit){ma(1,2,"")}      def ma(x:Int,y:Double,k:String){      println(x+y+k)  }}