Java Data Type How to - Delete duplicate lines from a String

Question

We would like to know how to delete duplicate lines from a String.

Answer

import java.util.HashSet;
import java.util.Set;
/*from  ww  w . j a va2 s . c o  m*/
public class Main {
  public static void main(String[] args) {
    String input = "E,E,A,B,C,B,D,C";

    Set<String> set = new HashSet<String>();

    for (String s : input.split(","))
      set.add(s);

    for (String s : set)
      System.out.println(s);
  }
}