Array.delete(element) Here,elementrepresents the element in the Array to be deleted. (Note:It will search the availability of that element and will delete all the same name element from the Array.) Example =beginRuby program to remove elements from Array usingArray.delete=end# array declar...
# Ruby program to remove given# element from arrayarr=[10,20,30,20,50,30]; item=arr.delete(30);print"Removed item:\n",item,"\n";print"Array elements:\n",arr,"\n"; Output: Removed item: 30 Array elements: [10, 20, 20, 50] ...
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Theselectmethod is typically used for filtering elements based on a given condition. However, it can also be leveraged to remove duplicates from a Ruby array by employing thewith_indexmethod to keep only the first occurrence of each element. ...
RubyRuby Array 使用reject方法删除数组元素 使用数组减法删除数组元素 使用delete方法删除数组元素 使用delete_if方法删除数组元素 下面列出了在 Ruby 中从数组中删除元素的不同方法。 使用reject方法删除数组元素 此方法遍历数组并仅返回与指定条件不匹配的元素。
puts "student array is cleared" end Output: 6. delete In case if you wanted to remove one particular element from the array then we can use this attribute. In case if the index which we are trying to delete is not available it will return nil. Follow the example below along with the...
Bullheadhas been removed as the last element of the array. In order to remove the first element of the array, use theshiftmethod: sharks.shift print sharks Copy Output ["Hammerhead", "Great White", "Tiger", "Thresher"] This time,Angelwas removed from the beginning of the array. ...
# 原始数组 array = [1, 2, 3, 4, 5] # 使用块对数组进行修改 new_array = array.map do |element| element * 2 end # 输出修改后的数组 puts new_array 在上述示例中,我们使用了map方法和块来对数组中的每个元素进行乘以2的操作,生成了一个新的数组new_array。最后,通过puts语句输出了修改后的数组...
parse(json_array) # 遍历数组的每个元素 array.each do |element| # 删除指定的键 element.delete("age") end # 将修改后的数组转换回JSON格式 modified_json_array = JSON.generate(array) puts modified_json_array 运行以上代码,输出结果为: 代码语言:txt 复制 [{"name":"Alice"},{"name":"...
8. Write a Ruby program to remove blank elements from a given array. Sample Output: Original array: ["Red", "Green", "", "Blue", "White"] Remove blank element from the above array: ["Red", "Green", "Blue", "White"]