class Solution {
    public String removeDuplicates(String s) {
        String finalString = s;
        int stringLength = finalString.length();
        while (stringLength > 1) {
            for (int i = 0; i < finalString.length() - 1; i++) {
                if (finalString.charAt(i) == finalString.charAt(i + 1)) {
                    finalString = finalString.substring(0 , i) + finalString.substring(i + 2, finalString.length());
                    stringLength -= 2;
                }
            }
        }
        return finalString;
    }

    public static void main(String[] args) {
        Solution myObj = new Solution();
        System.out.println(myObj.removeDuplicates("abbaca"));
    }
}

Solution.main(null);
aaca
ca
ca
ca
public class Main {
    public static void main(String[] args) {
        int[] numbers = {5, 12, 8, 2, 91, 23, 16, 56, 38, 72};
        int swapCount = 0;
        for (int i = 0; i < numbers.length - 1; i++) {
            if (numbers[i] > numbers[i + 1]) {
                int temp = numbers[i + 1];
                numbers[i + 1] = numbers[i];
                numbers[i] = temp;
                swapCount++;
            }
            if (i == numbers.length - 2 && swapCount != 0) {
                swapCount = 0;
                i = -1;
            }
        }
        for (int number : numbers) {
            System.out.println(number);
        }

    }
}

Main.main(null);
2
5
8
12
16
23
38
56
72
91
public class Country {
    // properties
}

public class Main {
    // properties, methods, and ArrayList
    public static void main(String[] args) {

    }
}


public void Pyramid(int n) {
    for (int i = 1; i <= n; i++) {
        System.out.println("*");
        System.out.println();
        Pyramid(n - 1);
    }
}
Pyramid(10);

public void drawLine(int n)
{
 for (int i = 1; i <= n; i++) {
      System.out.print("*");
      System.out.println();
      drawLine(n - 1);
 }
}
drawLine(10);

Main.main(null);
0 1 2 3 4 5 6 7 8 9 10