Converting_number

public class NewClass1 {

    public static void main(String[] args){

        //Binary to Decimal :
        String binary = "1010";
        Integer decimal = Integer.parseInt( binary , 2);
        System.out.println(decimal);


        //Decimal to other :
        int d = 15;
        String bi = Integer.toBinaryString(d);
        System.out.println(bi);

    }
}