Problem:
Question 1: Create a java swing application using your choice of UI elements to allow the input of a first name, last name, gender, and date of birth. Add a button that triggers the computation of the age of the person in number of days, and display the result in a dialog box, together with the input data. Please describe step by step.
Question 2: Why is it important to know the length of strings in your program? Explain thoroughly.