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→1. Create the Service Interface
:Enter the code for the classes and the interface as per the following screenshots:
:'''BusRout Class:'''
:[[Image: 6CreateNewClass.jpg | 700px]]
:'''BusRoutNotFoundException class'''
:[[Image: 7.jpg | 700px]]
:'''Ticketing Interface'''
:[[Image: 8_CreateNewClass.jpg | 700px]]
:[[Image: 9_CreateNewClass.jpg | 700px]]