Caclulator gui and meal program

Part 1 (Labels, Buttons, Text Fields):
Create a simple windows calculator in Java. It should have a labeled text field for the user to provide input, as well as an Add, Subtract, and Clear buttons. There should be a label or disabled text field for output.
Add event handling to the buttons to add the value the user enters to the current total, subtract the value entered from the current total, and clear the current total.

Part 2 (Radio Buttons):
Make a windows program in Java that has a labeled text field for the price of a Meal. There are different discounts for None, Student, and Senior and your program should have these as radio buttons. There should be a button to print the order and a label or disabled text field for output.
Students receive a free drink for .70 off and seniors receive 15% off the entire order.
Add event handling to the button find the value the user enters after taking into account the choice of possible discounts by the currently selected radio button.