INSTRUCTION: make this a flowchart import java.util.HashSet; import java.util.Scanner; import java.util.Set; public class elements { public static void main(String args[]) { Scanner sc = new...

INSTRUCTION: make this a flowchart

import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

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

    Scanner sc = new Scanner(System.in);

    // Creating two sets
    Set set1 = new HashSet();

    Set set2 = new HashSet();

    System.out.println("Enter the element of set A [max-5 elements]: ");
    for (int i = 0; i < 5;="" i++)="">
      int num = sc.nextInt();
      set1.add(num);
    }
    System.out.println("Enter the element of set B [max-5 elements]: ");
    for (int i = 0; i < 5;="" i++)="">
      int num1 = sc.nextInt();
      set2.add(num1);
    }
    // creating a menu of opeartions
    System.out.println("a. Identify elements of set");
    System.out.println("b. Check Union");
    System.out.println("c. Check Difference");
    System.out.println("d. Check Intersection");
    System.out.println("e. Check Subset");
    System.out.println("f. If set A and B are empty can't perform opeartion b to e");
    System.out.print("Enter you choice: ");
    // taking choice input
    int ch = sc.next().charAt(0);
    while (ch != 'f') {
      switch (ch) {

      // finding the set A and B elements
      case 'a':
        if (set1.size() == 0 && set2.size() == 0) {
          System.out.println("Set A and B are empty.");
        }
        System.out.println("\nSet A = " + set1);
        System.out.println("\nSet B = " + set2);
        break;

      // finding the Union of set
      case 'b':
        Set union_data = new HashSet(set1);
        union_data.addAll(set2);
        System.out.println("Union of set A and B is: ");
        System.out.println(union_data);
        break;

      case 'c': // Finding Difference of set1 and set2
        Set difference_data = new HashSet(set1);
        difference_data.removeAll(set2);
        System.out.println("Difference of set A and B is: ");
        System.out.println(difference_data);
        break;
      case 'd': // Finding Intersection of set1 and set2
        Set intersection_data = new HashSet(set1);
        intersection_data.retainAll(set2);
        System.out.println("Intersection of set A and B is: ");
        System.out.println(intersection_data);
        break;

      // finding subset
      case 'e':
        System.out.print("Enter a number: ");
        int number = sc.nextInt();
        if (set1.contains(number) && set2.contains(number)) {
          System.out.println(number + " is subset of A and B");
        } else {
          System.out.println(number + " is not subset of A and B");
        }
        break;
      default:
        System.out.println("Enter a valid input.");
        break;
      }

      System.out.println("\na. Identify elements of set");
      System.out.println("b. Check Union");
      System.out.println("c. Check Difference");
      System.out.println("d. Check Intersection");

      System.out.println("e. Check Subset");
      System.out.println("f. If set A and B are empty can't perform opeartion b to e");
      System.out.print("Enter you choice: ");
      ch = sc.next().charAt(0);
    }

    if (ch == 'f') {
      System.out.println("set A and B is empty and you can't perform operation b to e.");
    }

  }
}