java program using gui with comments and explanations

3. Develop a simple tool TextStats for calculating basic statistics for a segment of text. The application should have a single window with scrolling text box (a JTextArea) and a stats box. The stats box should be a panel with a titled border, containing labeled fields that display the number of words in the text box and the average word length, as well as any other statistics that you would like to add. The stats box should also contain a button that, when pressed, re-computes the statisties for the current contents of the text field