Ruby Array take()用法及代碼示例

Array＃take()：take()是一個Array類方法，它返回數組中元素的數量。

用法：Array.take()

參數：數組

返回：數組中元素的數量。

示例1:

# Ruby code for take() method 
  
# declaring array 
a = [18, 22, 33, nil, 5, 6] 
  
# declaring array 
b = [1, 4, 1, 1, 88, 9] 
  
# declaring array 
c = [18, 22, 50, 6] 
  
# take method example 
puts "take() method form : #{a.take(2)}\n\n"
  
puts "take() method form : #{b.take(1)}\n\n"
  
puts "take() method form : #{c.take(3)}\n\n"

輸出：

take() method form : [18, 22]

take() method form : [1]

take() method form : [18, 22, 50]

示例2:

# Ruby code for take() method 
  
# declaring array 
a = ["abc", "nil", "dog"] 
  
# declaring array 
c = ["cat", nil] 
  
# declaring array 
b = ["cow", nil, "dog"] 
  
# take method example 
puts "take() method form : #{a.take(2)}\n\n"
  
puts "take() method form : #{b.take(1)}\n\n"
  
puts "take() method form : #{c.take(3)}\n\n"

輸出：

take() method form : ["abc", "nil"]

take() method form : ["cow"]

take() method form : ["cat", nil]

相關用法

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