Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Chapter 4. PC #6. File Letter Counter (page 264)
Write a program that asks the user to enter the name of a file, and then asks the user to enter a character. The program should count and display the number of times that the specified character appears in the file.
Class name: FileLetterCounter
Hints:
Hint 1. To read a single character from the keyboard, you need to read a full line and then take the first character in position 0.
Hint 2. To count the occurrences of a given characters in a file you need to read the file line-by-line using a while loop, then for each line check all characters in all positions and increment the character counter for each occurrence. This will require to have a for-loop nested inside the while-loop.
Expert Solution
Check Mark
Step 1: Introduction to code

SOLUTION -

I have given this code in Java.

We have used both the hints to solve this problem.

The code contains a while loop and a for loop inside it. This code will read a text file also take a character input and then count the number of times the character is present in the file.

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