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  1. public class IntegerPrinter {
  2. public String printIntegerAsBinary(int value){
  3. return null;
  4. }
  5. public String printIntegerAsOctal(int value){
  6. return null;
  7. }
  8. public String printIntegerAsHexadecimal(int value){
  9. return null;
  10. }
  11. public static void main(String[] args){
  12. }
  13. }