Online Java regionMatches() function

public class Main { public static void main(String[] args) { //String str1 = "Red Green Orange Yellow"; //String str2 = "Yellow Orange Green Red"; String str1 = "Shanghai Houston Colorado Alexandria"; String str2 = "Alexandria Colorado Houston Shanghai"; // Determine whether characters 0 through 7 in str1 // match characters 28 through 35 in str2. boolean match1 = str1.regionMatches(0, str2, 28, 8); // Determine whether characters 9 through 15 in str1 // match characters 9 through 15 in str2. boolean match2 = str1.regionMatches(9, str2, 9, 8); System.out.println(); // Display the results of the regionMatches method calls. System.out.println("str1[0 - 7] == str2[28 - 35]? " + match1); System.out.println("str1[9 - 15] == str2[9 - 15]? " + match2); System.out.println(); } }