سؤال في الجافا عاااااااااااجل رجاء

السلام عليكم ورحمة الله وبركاته اخواني الاعزاء

ممكن حل يلاقيلي حل للسؤال التالي ولكم جزيل الشكر يامحترفي الجافا

1-Write a program to enter a set of characters (A..Z or a..z), stop entering these characters when ever you enter any non character value, then find the following:

1- The count of these characters

2- The occurrences of each character (capital or small characters are the same)

3- The character of Maximum occurrence