Java program to remove duplicate character from string

Java program to remove duplicate character from string

Sample:

Input: infomaxcomputeracademy

Output:  infomaxcputerdy

import java.util.*;   
class RemoveDuplicate  
{ 
    public static void main(String[] args) 
    { 
        Scanner sc=new Scanner(System.in);
        System.out.println("Enter Any String");
        String mystr=sc.nextLine();
        char str[] = mystr.toCharArray(); 
        int n = str.length; 
        int index = 0;   
        for (int i = 0; i < n; i++) 
        { 
            int j; 
            for (j = 0; j < i; j++)  
            { 
                if (str[i] == str[j]) 
                { 
                    break; 
                } 
            } 
            if (j == i)  
            { 
                str[index++] = str[i]; 
            } 
        } 
        System.out.println(String.valueOf(Arrays.copyOf(str, index))); 
    } 
}