Remove duplicate char in given array


 package CrackingCodingInterview;

public class RemoveDupplicateChar {
 public static void main(String... args)
 {
	 String input = "randomStringomsdf";
	 System.out.println(removeDuplicateChar(input));
 }
 
 public static String removeDuplicateChar(String s)
 {
	 StringBuilder sbr = new StringBuilder();
	 for(int i=0; i<s.length();i++)
	 {
		 String str = s.substring(i, i+1);
		 if(sbr.indexOf(str) == -1)
		 {
			 sbr.append(str);
		 }
	 }
	 return sbr.toString(); 
 }
}