Write a program to convert decimal number to binary format using numeric operations.

/*Write a program to convert decimal number to binary format using numeric operations. Below example shows how to convert decimal number to binary format using numeric operations. -*/

class deci
{
   public static  void convertBinary(int num)
{
     int binary[] = new int[40];
     int index = 0;
     while(num > 0){
       binary[index++] = num%2;
       num = num/2;
     }
     for(int i = index-1;i >= 0;i--){
       System.out.print(binary[i]);
     }
  }

  public static void main(String a[])
{
       
     System.out.println("Binary representation of 124: ");
    convertBinary(124);
     System.out.println("\nBinary representation of 45: ");
    convertBinary(45);
     System.out.println("\nBinary representation of 999: ");
     convertBinary(999);
  }

}