Answer to Question #146059 in Java | JSP | JSF for Nariman

Question

The application should use a text file to capture the whole vehicle accidents data structure. To do this, add two methods to your center class:

1.    A method to save the content of the created Java structure into a text file.

2.    A method to restore the saved content back into an appropriate Java data structure for next run time.

Java provides a facility to create your own Exceptions which are basically derived classes of Exception. Write a class that defines a duplicate exception. The duplicate exception will be thrown if accidents are duplicated in the accidents list.

Design and implement a separate testing class to test the designed classes and check if classes meet the requirements.

Answer 1

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