Java Prgram to remove duplicate character in a string

 package Java;

import java.util.Scanner;

public class RemoveDuplicateCharacter {

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

System.out.println("Enter the String");

String w = sc.next();

 

String nw = " ";

System.out.println("Original String: "+w);

for(int i=0;i<w.length();i++) {

char ch = w.charAt(i);

if(ch!=' ') {

nw = nw + ch;

w = w.replace(ch, ' ');

}

}

System.out.println("New word = "+nw);

}

}