Answered: a console application for writing data…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Implement (in Java) a console application for writing data to a sequential text file with a formatter class in Java :

a. Implement createFile() method – To open/create a new file named as ‘mec.txt’ with explanations of the methods involved.

b. Implement writeRecord() method – User enter the employee name, employee id, gross salary, tax rate, income tax and net salary from the keyboard and write/add these values to the file ‘mec.txt’ with explanations of the methods involved. The input fields must be validated as necessary.

c. Implement closeFile() method – Close the file with explanations of the methods involved.

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