=begin Ruby program to remove elements from Array using Array.delete_at() method =end # Array declaration Adc = ['Includehelp.com','Ruby','C++','C#','Java','Python'] # input the index/position puts "Enter the index of element you want to delete:" ind = gets.chomp.to_i # ...
# 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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第二步:在jar包文件夹位置打开命令行中运行jar包 java -jar -Dfile.e...给数组(Array)扩展一个删除指定元素的方法 可简化删除指定元素操作 扩展的这个方法只需要输入要删除的元素,即可进行删除,会改变原数组。 扩展的这个方法可以使删除指定元素操作变得简单。 用到的数组已有的方法:indexOf 、splice 代码...
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. ...
因此,如果需要同时获取删除的元素和修改后的数组,可以使用shift方法的返回值。例如: 代码语言:ruby 复制 array = [1, 2, 3, 4, 5] removed_element = array.shift 在这个例子中,removed_element将被赋值为1,而array将变为[2, 3, 4, 5]。相关搜索:...
Bullhead has been removed as the last element of the array. In order to remove the first element of the array, use the shift method: sharks.shift print sharks Output["Hammerhead", "Great White", "Tiger", "Thresher"] This time, Angel was removed from the beginning of the array. By...
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...
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"]