1. Declare and implement a class named Histogram. This class will have a string data member and the following methods:
Data members:
String text
Methods:
constructor – initialize text with “I love problem-solving.”.
setText(String t) – set text to t.
drawHistogram() – count each alphabet letter, store the counts in an array and plot the counts using a vertical histogram. As an example, if text = “I love problem-solving.”, this method should plot:
* *
* * * * *
* * * * * * * * * * * *
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a b c d e f g h i j k l m n o p q r s t u v w x y z
Note that all special characters including blanks are ignored and alphabet letters are case-insensitive.
Your main program should use the following menu:
T: Enter a text
P: Plot frequencies
Q: Quit
Select:
