Write a Java-program to print unique(distinct (or non-repeating characters) ) characters from the string ?

Write a Java-program to print unique(distinct (or non-repeating characters) ) characters from the string ?

Program

import java.util.Scanner;
public class Main
{
	public static void main(String[] args) 
	{
		int x,y;
		String s;
		
		Scanner sc=new Scanner(System.in);
		System.out.println("Enter String :");
		s=sc.nextLine();
		for (x = 0; x < s.length(); x++)
	    {
	        int flag = 0;
	        for (y = 0; y < s.length(); y++)
	        {
	            // checking if two characters are equal
	            if (s.charAt(x) == s.charAt(y) && x != y) 
	            {
	                flag = 1;
	                break;
	            }
	        }
	        if (flag == 0)
	            System.out.print(s.charAt(x));
	    }
	}

}
	

Enter String : sateesh
ath

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