import java.lang.Integer;

public class BinaryMath {
    static String addBinary(String x, String y) {
        int num1 = Integer.parseInt(x,2);
        //converting binary to decimal
       
        int num2 = Integer.parseInt(y,2);
        //converting binary to decimal
       
        int sum = num1 + num2;
        // adding two nums to get sum
         
        String result = Integer.toBinaryString(sum);
        // converting sum back to binary
 
        return result;
    }

    public static void main(String args[]) {
        String x = "0", y = "1";
        System.out.print(addBinary(x, y));
    }
}

BinaryMath.main(null);
1