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Scala Map takeRight()用法及代碼示例


takeRight()方法用於選擇Map的最後“ n”個元素。

函數定義: def takeRight(n: Int): Map[A, B]

返回類型: It returns the last ‘n’ elements of the map.



範例1:

// Scala program of takeRight() 
// 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 takeRight method 
        val result = m1.takeRight(2) 
          
        // Displays output 
        println(result) 
      
    } 
}
輸出:
Map(4 -> for, 2 -> cs)

範例2:

// Scala program of takeRight() 
// 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 takeRight method 
        val result = m1.takeRight(4) 
          
        // Displays output 
        println(result) 
      
    } 
}
輸出:
Map(3 -> geeks, 4 -> for, 2 -> cs)


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注:本文由純淨天空篩選整理自nidhi1352singh大神的英文原創作品 Scala Map takeRight() method with example。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。