First Repeating Character - Java

A string S is passed as the input. S has at least one repeating character. The program must print the first repeating character C. 

Input Format: The first line contains S. 

Output Format: The first line contains C. 

Boundary Conditions: Length of S will be from 3 to 100. 

Example Input/Output 1: 

Input: 

abcdexyzbwqpoolj 

Output: 

b

Source Code:

import java.util.*;

public class Hello {

    public static void main(String[] args) {

Scanner sc=new Scanner(System.in);

String s=sc.nextLine();

char[] c=s.toCharArray();

HashMap<Character,Integer> h=new HashMap<Character,Integer>();

for(char x:c)

{

    if(h.containsKey(x))

    h.put(x,h.get(x)+1);

    else

    h.put(x,1);

}

for(char x:c)

{

    if(h.get(x)>1)

    {

        System.out.println(x);

        break;

    }

}

}

}