In Java, Write a program to count the number of occurences of each letter in a string. The program displays the letters in ascending order. You should provide two methods. Each method that has an argument of map collection.Use two classes one to sort the key, and the second one to sort value, by using comprator... please do not copy others answer .. I did post this question for 3 times and always got a wrong answer copied from anothers. don't forget to use two classes one to sort the key, and the second one to sort value, by using comprator thanks Sample output:

Enter a string: Welcome to CECS 277

Map contains:

Sort by keys Key Value c 3 e 3 l 1 m 1 o 2 s 1 t 1 w 1

Sort by values Key Value c 3 e 3 o 2 l 1 m 1 s 1 t 1 w 1

2)Rewrite problem 1 by reading the data from a file.