Convert number to binary form FAROOQ

import java.util.;
public class numtobin{
//covertin a number from numeric to binary
public static void decToBinary(int num)
{
int powr=0,binary=0,temp=num;
int rem;
while(num>0)
{
rem=num%2;
binary=binary +rem(int)Math.pow(10,powr);
num=num/2;
powr++;
}
System.out.println("the binary value for "+temp+" is " + binary);

}
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in) ;
{ System.out.println("Enter number to get binary form");
int n=sc.nextInt();
decToBinary(n);
}
}
}