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Answer:


Step 1

Computer Science homework question answer, step 1, image 1

Step 2

Code:

 

import java.io.*;
import java.util.*;

public class Sample {

  //file handeling class to read and write text file
  public static class FileHandling {

    public static final String bookPath = "Data\book.txt";
    public static final String authorPath = "Data\author.txt";

    //function to write text file with given data
    public static void WriteFile(String data, String path) {
      try {
        BufferedWriter fileObj = new BufferedWriter(new FileWriter(path, true));
        fileObj.write(data);
        fileObj.close();
      } catch (IOException e) {
        System.out.println("Error while writing file." + e);
      }
    }

    //function to read text file and return all the data
    public static String ReadFile(String path) {
      String output = "";
      try {
        BufferedReader fileObj = new BufferedReader(new FileReader(path));

        String mystring;
        while ((mystring = fileObj.readLine()) != null) {
          output += mystring;
          output += "\n";
        }
      } catch (IOException e) {
        System.out.println("Exception Occurred" + e);
      }
      return output;
    }
  }

  public static void main(String[] args) {
    for (int i = 1; i <= 5; i++) {
      FileHandling.WriteFile(
        "Hello this is sample data #" + i + "\n",
        "data.txt"
      );
    }
    System.out.println(
      "Reading Data From text file:\n" + FileHandling.ReadFile("data.txt")
    );
  }
}
 
 
 
OUTPUT:
 
 
 
Computer Science homework question answer, step 2, image 1
 
 
 
SCREENSHOT OF CODE FOR REFERENCE:
 
 
 
Computer Science homework question answer, step 2, image 2
Computer Science homework question answer, step 2, image 3ha



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A palindrome is a number or a text phrase that reads the same backwards as forwards. For example, each of the following five-digit integers is a palindrome: 12321, 55555, 45554 and 11611. Write a C++ program that reads in a five-digit integer and determines whether it is a palindrome .

Question: A palindrome is a number or a text phrase that reads the same backwards as forwards. For example, each of the following five-digit integers is a palindrome: 12321, 55555, 45554 and 11611. Write a C++ program that reads in a five-digit integer and determines whether it is a palindrome . Answer: Step 1 PROGRAMING CODE:   #include <stdio.h> int main() {   int n, a, b, c, d, e;   int digit = 0;   printf( "Enter one 5 digit number: \n" );   scanf( "%d", &n );   a = n / 10000;   b = n / 1000 % 10;   c = n / 100 % 10;   d = n / 10 % 10;   e = n % 10;   if ( a == e && b == d ) {     printf( "Palindrome!\n" );   }   if ( a != e || b != d ) {     printf( "Not a palindrome.. :(\n" );   }   return 0; } PROGRAM SCREENSHOT: Step 2

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