CodeList_5_Java.java

import java.util.Scanner; 
public class Program {

	public static void main(String[] args) {
	
		 long number;
		 Scanner scanner = new Scanner( System.in );
		 System.out.print( "Nhap so he thap phan: " );
		 number = Long.parseLong(scanner.nextLine() );
		 System.out.println("Dang nhi phan la:" + binary(number));
	}
	public static long binary(long number){
		long base = 1, binary_val = 0, rem;
		while (number > 0)
	    {
	        rem = number % 2;
	        binary_val = binary_val + rem * base;
	        number = number / 2;
	        base = base * 10;
	    }
		return binary_val;
	}

}