fork(2) download
copy 
  1.     public class Main {
  2. 		public static void main(String[] args) throws Exception {
  3. 			System.out.println(decToBin(0));
  4. 			System.out.println(decToBin(1));
  5. 			System.out.println(decToBin(2));
  6. 			System.out.println(decToBin(127));
  7. 		}
  8.  
  9. 		public static String decToBin(int dec) {
  10. 			if (dec == 0) {
  11. 				return "0"; // special case
  12. 			}
  13.  
  14. 			final StringBuilder result = new StringBuilder();
  15. 			int current = dec;
  16.  
  17. 			while (current != 0) {
  18. 				result.append(current & 0x1);
  19. 				current = current >> 1;
  20. 			}
  21.  
  22. 			return result.reverse().toString();
  23. 		}
  24. 	}
Success #stdin #stdout 0.06s 215488KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
0
1
10
1111111
https://ideone.com/tx4L0F
language:
Java (12.0.1)
created:
11 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!