Scala Map toArray()用法及代碼示例

toArray()方法用於顯示Scala映射中的數組。

函數定義: def toArray: Array[(A, B)]

返回類型: It returns an array from the stated map.

範例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 ) 
        }  
  
    } 
}

輸出：

(3,geeks)
(4,for)

範例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 ) 
        }  
          
    } 
}

輸出：

(3,geeks)
(4,for)
(2,cs)

相關用法

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