package Others;
import java.io.BufferedReader;
import java.io.InputStreamReader;
public class RemoveDuplicateFromString {
public static void main(String[] args) throws Exception {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String inpStr = br.readLine();
System.out.println("Actual string is: " + inpStr);
System.out.println("String after removing duplicates: " + removeDuplicate(inpStr));
br.close();
}
public static String removeDuplicate(String s) {
if (s == null || s.isEmpty()) {
return s;
}
StringBuilder sb = new StringBuilder();
int n = s.length();
for (int i = 0; i < n; i++) {
if (sb.toString().indexOf(s.charAt(i)) == -1) {
sb.append(String.valueOf(s.charAt(i)));
}
}
return sb.toString();
}
}