Array manipulation-removing duplicates and whitespace elements

        /// <summary>        ///convert a string array into a shaped array and bubble sort/// </summary>        /// <param name= "str" ></param>        /// <returns></returns>        Private int[] Arrtoint (string[] str) {            int[] arr2 =New int[Str. Length];//used to store strings converted to int[]             for(inti =0; I < Str. Length; i++) {Arr2[i]=int.            Parse (Str[i]); }            intLen =arr2.            Length;  for(intj =0; J < Len; ++j) { for(inti = j; i < Len; ++i) {if(Arr2[j] >Arr2[i]) {                        inttemp =Arr2[j]; ARR2[J]=Arr2[i]; Arr2[i]=temp; }                }            }            returnarr2; }        /// <summary>        ///reorganizing an array/// </summary>        /// <param name= "str" ></param>        /// <returns></returns>         Public string[] Strto (string[] str) {ArrayList Al=NewArrayList ();//remove duplicate elements from an array             for(inti =0; I < Str. Length; i++)            {                if(Al. Contains (str[i]) = =false&& Str[i]! ="") {al.                ADD (Str[i]); }            }            //convert ArrayList to arraystr =New string[Al.            Count]; STR= (string[]) al. ToArray (typeof(string)); returnstr; }

Array manipulation-removing duplicates and whitespace elements