Java program to remove duplicate character from a String

    Example: input-aabcdefsdd
             output-abcdefs
    Example2:input-feedback
             output-fedback

Answer :

public class Pattern5 
{

 public static void main(String[] args) 
 {
   Scanner sc=new Scanner(System.in);
   System.out.println("Enter the String");
    String s=sc.next();
  
     String[] nt=s.split("");
     String result=nt[0];
  
     for(int i=0;i<(nt.length);i++)
     {
        if(!result.contains(nt[i]))
        {
            result=result+nt[i];
        }
   
     }
     System.out.println(result);
 }

}