HackerRank Java- Substring

Given a string, S, and two indices, start and end, print a substring consisting of all characters in the inclusive range from start to end-1. You'll find the String class' substring method helpful in completing this challenge.

import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;


public class Solution {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String str = scan.next();
        int start  = scan.nextInt();
        int end    = scan.nextInt();
        scan.close();
        
        System.out.println(str.substring(start, end));
    }
}