bubble sort خوارزميات

اخواني اعلم أنه هذه الخوارزميه ترتيب الفقاعات هي مقارنة الارقام على التوالي واعلم مبدأ عملها ولكن تطبيق عملي في لغة الجافا لم استطع فهمه عمل الكود وما هي الفائده العملية من هذه الخوارزميه

// import the Clas


import java.util.Arrays;
import java.util.Scanner;

class Main {

  // create an object of scanner
  // to take input from the user
  Scanner input = new Scanner(System.in);

  // method to perform bubble sort
  void bubbleSort(int array[]) {
    int size = array.length;

    // for ascending or descending sort
    System.out.println("Choose Sorting Order:");
    System.out.println("1 for Ascending \n2 for Descending");
    int sortOrder = input.nextInt();

    // run loops two times
    // first loop access each element of the array
    for (int i = 0; i < size - 1; i++)

      // second loop performs the comparison in each iteration
      for (int j = 0; j < size - i - 1; j++)

        // sort the array in ascending order
        if (sortOrder == 1) {
          // compares the adjacent element
          if (array[j] > array[j + 1]) {

            // swap if left element is greater than right
            int temp = array[j];
            array[j] = array[j + 1];
            array[j + 1] = temp;
          }
        }

        // sort the array in descending order
        else {
          // compares the adjacent element
          if (array[j] < array[j + 1]) {

            // swap if left element is smaller than right
            int temp = array[j];
            array[j] = array[j + 1];
            array[j + 1] = temp;
          }
        }

  }

  // driver code
  public static void main(String args[]) {

    // create an array
    int[] data = { -2, 45, 0, 11, -9 };

    // create an object of Main class
    Main bs = new Main();

    // call the method bubbleSort using object bs
    // pass the array as the method argument
    bs.bubbleSort(data);
    System.out.println("Sorted Array in Ascending Order:");

    // call toString() of Arrays class
    // to convert data into the string
    System.out.println(Arrays.toString(data));
  }
}

// import the Class
import java.util.Arrays;
import java.util.Scanner;

class Main {

  // create an object of scanner
  // to take input from the user
  Scanner input = new Scanner(System.in);

  // method to perform bubble sort
  void bubbleSort(int array[]) {
    int size = array.length;

    // for ascending or descending sort
    System.out.println("Choose Sorting Order:");
    System.out.println("1 for Ascending \n2 for Descending");
    int sortOrder = input.nextInt();

    // run loops two times
    // first loop access each element of the array
    for (int i = 0; i < size - 1; i++)

      // second loop performs the comparison in each iteration
      for (int j = 0; j < size - i - 1; j++)

        // sort the array in ascending order
        if (sortOrder == 1) {
          // compares the adjacent element
          if (array[j] > array[j + 1]) {

            // swap if left element is greater than right
            int temp = array[j];
            array[j] = array[j + 1];
            array[j + 1] = temp;
          }
        }

        // sort the array in descending order
        else {
          // compares the adjacent element
          if (array[j] < array[j + 1]) {

            // swap if left element is smaller than right
            int temp = array[j];
            array[j] = array[j + 1];
            array[j + 1] = temp;
          }
        }

  }

  // driver code
  public static void main(String args[]) {

    // create an array
    int[] data = { -2, 45, 0, 11, -9 };

    // create an object of Main class
    Main bs = new Main();

    // call the method bubbleSort using object bs
    // pass the array as the method argument
    bs.bubbleSort(data);
    System.out.println("Sorted Array in Ascending Order:");

    // call toString() of Arrays class
    // to convert data into the string
    System.out.println(Arrays.toString(data));
  }
}