Ruby Array shuffle()用法及代碼示例

Array＃shuffle()：shuffle()是一個Array類方法，該方法返回一個帶有自檢元素的新數組。

用法：Array.shuffle()

參數：數組

返回：具有自我洗牌元素的新數組

示例1:

# Ruby code for shuffle() 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] 
  
# shuffle method example 
puts "shuffle() method form : #{a.shuffle()}\n\n"
  
puts "shuffle() method form : #{b.shuffle()}\n\n"
  
puts "shuffle() method form : #{c.shuffle()}\n\n"

輸出：

shuffle() method form : [22, 5, 6, nil, 33, 18]

shuffle() method form : [4, 88, 9, 1, 1, 1]

shuffle() method form : [50, 18, 22, 6]

示例2:

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

輸出：

shuffle() method form : ["abc", "dog", "nil"]

shuffle() method form : ["dog", "cow", nil]

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

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