Remove duplicates from a string without using any additional data structure using Java....

here is the code .....

       

public class Demo {

 public static void main(String[] args) {
  String name = "GAURAV KUMAR YADAV1111";
  dupliactesRemoved(name);
 }

 //This method assumes that string is made up of only small letter characters i. "a....z"
 public static void dupliactesRemoved(String temp) {

  int vector = 0;
  int val;
  System.out.println("Given string after removing duplicates characters is below :");
  for (int i = 0; i < temp.length(); i++) {
   val = temp.charAt(i) - 'a';
   if ((vector & (1 << val)) == 0) {
    System.out.print(temp.charAt(i));
    vector = vector | (1 << val);
   }
  }
 }
}