Question: P7.17 (Java) Write a program that reads a text file as described in Exercise P7.16, and that writes a separate file for each service category,

P7.17 (Java)

Write a program that reads a text file as described in Exercise P7.16, and that writes a separate file for each service category, containing the entries for that category. Name the output files Dinner.txt, Conference.txt, and so on.

P7.16 (Java)

A hotel salesperson enters sales in a text file. Each line contains the following, separated by semicolons: The name of the client, the service sold (such as Dinner, Conference, Lodging, and so on), the amount of the sale, and the date of that event. Write a program that reads such a file and displays the total amount for each service category. Display an error if the file does not exist or the format is incorrect.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Write a program that reads a text file, as described in Exercise P7.8, and writes a separate file for each service category. Each service category file should contain the entries for that category....

HELP URGET JAVA txt file numbers: -5 1000 -222 41 0 789 -123 -485 3 1 22 47 -56 102 100 88 79 -321 -1000 2 txt file test: Somnoroase pasarele Pe la cuiburi se aduna, Se ascund in ramurele Noapte buna...

Java - has to be done in command line p7.16 A hotel salesperson enters sales in a text le. Each line contains the following, separated by semicolons: The name of the client, the service sold (such as...

(JAVA - DATA STRUCTURES) Hi, THIS IS THE FOURTH TIME I HAVE POSTED THIS QUESTION AND NOBODY WANTS TO HELP ME. PLEASE, I NEED SOMEONE TO HELP ME. I need help with the program CountryDisplayer.java and...

PLEASE, I NEED HELP WITH THIS JAVA CODE The code that you write for this assignment will build on top of the List ADT and one of the implementations of List that we've seen in class. The code will...

Hello, this is a project for a Data Structures class, I'm new to Java so I don't know a whole lot, so please, I would appreciate if you could help me with this one. I just need to finish up the code...

PLEASE, I NEED HELP WITH THIS JAVA CODE The code that you write for this assignment will build on top of the List ADT and one of the implementations of List that we've seen in class. The code will...

JAVA program CIT 130 PROGRAM 3 SPRING 2021 My sample output (you do NOT have to duplicate exactly) Enter the filename: secret.txt How many lines do you want to encrypt? 4 Enter your text: Francis...

an operation that yields a N aN value when neither of its arguments is a N aN, (b) an operation with finite arguments that yields +, (c) an operation with an argument + that yields a finite result....

1) Class name: NumberFile.java a) Write a method to create a text file named numbers.txt that is to contain the whole numbers 101 to 10000 (use a for loop to write the output to the file). Write a...

Use the Gram-Schmidt process to find an orthonormal basis for the subspace of R' spanned by x1 7. (4, 2, 2, 1)", x2 = (2,0, 0, 2)", x3 = (1, 1, -1, 1)". %3D

Why is it important to study international financial management?

Assume today's settlement price on a CME EUR futures contract is $ 1 . 3 1 4 8 per euro. You have a long position in one contract. EUR 1 2 5 , 0 0 0 is the contract size of one EUR contract. Your...

Seved Help 14 Wisconsin Snowmobile Corp. is considering a switch to level production Cost efficiencies would occur under level production, and aftertax costs would decline by $31,500, but inventory...

How do Data Types perform data validation?

How does Referential Integrity work?

What are Dimensional Relational Databases designed to hold primarily?