in Java with comments

Outcomes: Student will demonstrate the ability to write and call methods. Student will demonstrate the ability to pass values to and from methods. Student will demonstrate the ability to catch exceptions. Student will demonstrate the ability to create a text file. Student will demonstrate the ability to validate input data. Program Specifications: Your assignment is to write a menu driven program. The menu will be responded to using a switch statement. The menu options (cases) will be as follows (You should give them more succinct labels in your program): 1. Read the user's first name and echo it back out 20 times. 2. Read the user's age and double it and display the age and the doubled age. 3. Read the user's age and output one of the following statements: 1. Since you are xx years old, you are a teenager 2. Since you are xx years old, you are NOT a teenager (***of course xx displays the user's age) 4. Read a single integer between 3 and 50 from the user. Create a triangle of X's with the as many rows as the value of the user's input. The triangle needs to be displayed on the screen and in a text document named triangle.txt. 5. Add at least one exception to your program and account for how to handle it. Submission Requirements: Same as for Assignment #3. YOU MAY NOT EVER: Use global variables. Use the word goto. Use the break command outside a case statement