Decimal To Binary

 import java.util.*;

public class practice {

    public static void main(String[] args) {

        Scanner s =new Scanner(System.in);

        int n,b=0,k,i=0;

        System.out.println("Enter the Decimal Number to be converted to Binary");

        n=s.nextInt();

        while(n>0){

            k=n%2;

            b=b+k*(int)Math.pow(10,i);

            n=n/2;

            i++;

        }

        System.out.println("Decimal vlaue of Binary Number is "+b);

    }

}

Output:-