This document contains a Java program that removes duplicate characters from a string. It utilizes a LinkedHashSet to maintain the order of characters while eliminating duplicates. The method is designed to work in-place.

1. // Java program to remove duplicates
import java.util.*;
class BagInterface
{
/* Function removes duplicate characters from the string
This function work in-place */
void Baginterface(String str)
{
LinkedHashSet lhs = new LinkedHashSet<>();
for(int i=0;i
Solution
// Java program to remove duplicates
import java.util.*;
class BagInterface
{
/* Function removes duplicate characters from the string
This function work in-place */
void Baginterface(String str)
{
LinkedHashSet lhs = new LinkedHashSet<>();
for(int i=0;i