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Program to Remove Duplicate Characters from a Word

Question:

Write a program to input a word from the user and remove the duplicate characters present in it.

Example:

INPUT – abcabcabc
OUTPUT – abc

INPUT – javaforschool
OUTPUT – javforschl

INPUT – Mississippi
OUTPUT – Misp

Programming Code:

/**
* The class RemoveDupChar inputs a word and removes duplicate characters
* @author : www.javaforschool.com
* @Program Type : BlueJ Program – Java
*/

import java.io.*;
class RemoveDupChar
{
public static void main(String args[])throws IOException
{
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.print(“Enter any word : “);
String s = br.readLine();
int l = s.length();
char ch;
String ans=””;

for(int i=0; i

Output:

Example 1:
Enter any word : Mississippi
Word after removing duplicate characters : Misp

Example 2:
Enter any word : Attitude
Word after removing duplicate characters : Atiude

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