Ruby Array shuffle!()用法及代碼示例

Array＃shuffle！()：shuffle！()是Array類的一種方法，它可以將self中的元素隨機地就位。

用法：Array.shuffle!()

參數：數組

返回：將自身中的元素改組到位。

範例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:[5, 6, 22, 33, 18, nil]

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

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

範例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:["nil", "dog", "abc"]

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

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

相關用法

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