package com.java21days;

class StringChecker {

   public static void main(String[] arguments) {
        String str = "You know nothing, Jon Snow";
        System.out.println("The string is: " + str);
        System.out.println("Length of this string: "
            + str.length());
       System.out.println("The character at position 7: "
            + str.charAt(7));
       System.out.println("The substring from 9 to 16: "
            + str.substring(9, 16));
       System.out.println("The index of the first 'w': "
            + str.indexOf('w'));
       System.out.println("The index of the beginning of the "
            + "substring \"Jon\": " + str.indexOf("Jon"));
       System.out.println("The string in uppercase: "
            + str.toUpperCase());
   }
}