using java

You're asked to develop a program which should meet the following requirements: 1. A Graphic User Interface containing components of JPanel, JButton, JTextField, JTextArea, JTextLabel; 2. A procedure of reading data from an existing file with fixed data format; 3. An event listening class with event handling method who can be used to deal 4. One reaction should be display of certain data on the interface; Another should 5. with users' actions; write the data into a file; Exception handling should be considered to keep the program stable; Other things to make the program better one (Optional) 6