java

Re-write Problem 2 to use a method that will produce the same output as Problem2. The program has a method called commonLetters. This method takes in two words (both are Strings) and returns a new String that contains the letters that both Strings contain in lower case (no duplicates). Hint look at the String method indexOf(charl The method header is public static String commonletters (String str1, String str2) You will test your method in the main method of your program by using a Scanner object that will read in two Strings Then call the method and pass the two Strings into the method and print the new String Sample Output Sample Input (2 Strings) Halifax Dartmouth alhi Truro Toronto Happy dancing