Remove Duplicates

import java.util.Scanner;

public class RemoveDuplicates {
    public static void main(String[] args) {

        // Write a program that removes all duplicates from a list of elements.
        //
        //1,2,2,2,4,7 -> 1,2,4,7.
        //Maintain the relative order of the remaining items.

        Scanner scanner = new Scanner(System.in);
        String line = scanner.nextLine();


        System.out.println(line);


        // creating a an Array which eelements we want to compare

        String arryLine[] = line.split(",");


        // looping through each element and comparing it with the  next one


        for (int i = 0; i < arryLine.length; i++) {

                if (!arryLine[i].equals(arryLine[i + 1])) {
                    System.out.print(arryLine[i] + ",");
                }
                else if (arryLine[i].equals(arryLine[i + 1])) {
                System.out.print("");

                }

                } System.out.print(arryLine[arryLine.length-1]);


                }
            }