CountEqualBitPairs

    import java.util.Scanner;


    public class CountEqualBitPairs {

            public static void main(String[] args) {
                    System.out.println("Enter the number which bits will be compared");
                    Scanner inputScanner = new Scanner(System.in);
                    int number = inputScanner.nextInt();
                    int semiNumber = number >> 1;
                    int count = 0;

                    while (semiNumber != 0) {
                            int numberBit = 1 & number;
                            int semiNumberBit = 1 & semiNumber;

                            if (numberBit == semiNumberBit) {
                                    count ++;
                            }

                            semiNumber = semiNumber >> 1;
                            number = number >> 1;
                    }

                    System.out.println(count);

            }

    }