A hotel keeps records of its sales in a text file (called "hotel.txt"; provided in the MOODLE). Each line contains the following information separated by semicolons (":"): The client's name, the service sold (such as Dining, conference...), and the amount of the sale. Figure 2 shows a few lines of input file. Write a program that reads such a file and displays the total and average amount for each service category. Knowing that there are four services (Dining, Lodging, Conference, and Parking). Display an error using the proper exception if: • The file does not open/exist • The format of the data in the file is incorrect (e.g. sale amount = "230;9" or "12ab") • Dividing by zero (when computing average) • Make sure you close any open files even if an error occurs. Benjamin Bayer:Dining:26.5 English Joyce A:Lodging:120.14 Zalaya:Lodging:173.6 Chung-cha kim:Conference:425 Service Total Average Dining Lodging Conference 425.0 425.00 220.8 44.16 544.0 181.35 Dividing by Zero, this hotel service not used Figure 2a input file sample exe2 Figure 2b Output sample exe2

A hotel keeps records of its sales in a text file (called "hotel.txt"; provided in the MOODLE). Each line contains the following information separated by semicolons (":"): The client's name, the service sold (such as Dining, conference...), and the amount of the sale. Figure 2 shows a few lines of input file. Write a program that reads such a file and displays the total and average amount for each service category. Knowing that there are four services (Dining, Lodging, Conference, and Parking). Display an error using the proper exception if: • The file does not open/exist • The format of the data in the file is incorrect (e.g. sale amount = "230;9" or "12ab") • Dividing by zero (when computing average) • Make sure you close any open files even if an error occurs. Benjamin Bayer:Dining:26.5 English Joyce A:Lodging:120.14 Zalaya:Lodging:173.6 Chung-cha kim:Conference:425 Service Total Average Dining Lodging Conference 425.0 425.00 220.8 44.16 544.0 181.35 Dividing by Zero, this hotel service not used Figure 2a input file sample exe2 Figure 2b Output sample exe2

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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