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Scala Map toArray()用法及代码示例


toArray()方法用于显示Scala映射中的数组。

函数定义: def toArray: Array[(A, B)]

返回类型: It returns an array from the stated map.



范例1:

// Scala program of toArray() 
// method 
  
// Creating object 
object GfG 
{  
  
    // Main method 
    def main(args:Array[String]) 
    { 
      
        // Creating a map 
        val m1 = Map(3 -> "geeks", 4 -> "for", 4 -> "for") 
          
        // Applying toArray method 
        val result = m1.toArray 
          
        for ( m5 <-result ) 
        { 
           println(m5 ) 
        }  
  
    } 
}
输出:
(3,geeks)
(4,for)

范例2:

// Scala program of toArray() 
// method 
  
// Creating object 
object GfG 
{  
  
    // Main method 
    def main(args:Array[String]) 
    { 
      
        // Creating a map 
        val m1 = Map(3 -> "geeks", 4 -> "for", 2 -> "cs") 
          
        // Applying toArray method 
        val result = m1.toArray 
          
        for ( m5 <-result ) 
        { 
            // Display output 
            println(m5 ) 
        }  
          
    } 
}
输出:
(3,geeks)
(4,for)
(2,cs)


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注:本文由纯净天空筛选整理自nidhi1352singh大神的英文原创作品 Scala Map toArray() method with example。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。