带有示例的 Scala List product() 方法

product()方法用于查找所述列表中所有元素的乘积。

Method Definition: def product(num: math.Numeric[B]): B

Return Type: It returns the product of all the elements in the stated list.

示例 #1：

// Scala program of product()
// method
  
// Creating object
object GfG
{ 
  
    // Main method
    def main(args:Array[String])
    {
      
        // Creating a list
        val m1 = List(1, 2, 3, 4, 5)
          
        // Applying product method
        val result = m1.product
          
        // Displays output
        println(result)
          
    }
}

输出：

120

示例：2#

// Scala program of product()
// method
  
// Creating object
object GfG
{ 
  
    // Main method
    def main(args:Array[String])
    {
      
        // Creating a list
        val m1 = List(1, 0)
          
        // Applying product method
        val result = m1.product
          
        // Displays output
        println(result)
          
    }
}

输出：

0