JAVA PPROGRAM Please Modify this program with further modifications as listed below: ALSO, take out and change the following in the program: System.out.println("Program terminated."); because the test case does not need it And change this in the program: Please enter the file name or type QUIT to exit:\n so it reperats once for every test case because it repeats twice in every case as shown in the screenshot. I only need it once. I have provided the failed the test cases and the inputs as a screenshot. The program must pass the test case when uploaded to Hypergrade. import java.io.*; import java.util.ArrayList; import java.util.Scanner; public class SymmetricalNameMatcher { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); String fileName; do { // Prompt the user to enter a file name or 'QUIT' to exit. System.out.print("Please enter the file name or type QUIT to exit:\n"); fileName = scanner.nextLine(); if (fileName.equalsIgnoreCase("QUIT")) { // If the user types 'QUIT', terminate the program. break; } File file = new File(fileName); if (!file.exists()) { // If the file doesn't exist, display an error message and continue to the next iteration. System.out.println("File '" + fileName + "' is not found."); continue; } if (file.length() == 0) { // If the file is empty, display an error message and continue to the next iteration. System.out.println("File '" + fileName + "' is empty."); continue; } ArrayList names = new ArrayList<>(); int lineCount = 0; try (BufferedReader reader = new BufferedReader(new FileReader(file))) { String line; // Read names from the file and store them in the 'names' ArrayList. while ((line = reader.readLine()) != null) { names.add(line); lineCount++; } } catch (IOException e) { e.printStackTrace(); } int matches = 0; // Compare names in symmetrical positions. for (int i = 0; i < lineCount / 2; i++) { String name1 = names.get(i); String name2 = names.get(lineCount - 1 - i); if (name1.equals(name2)) { // If a match is found, print the match details. System.out.println("Match found: '" + name1 + "' on lines " + (i + 1) + " and " + (lineCount - i) + "."); matches++; } } if (matches == 0) { // If no matches were found, display a message. System.out.println("No matches found."); } else { // Display the total number of matches found. System.out.println("Total of " + matches + " matches found."); } } while (true); // Close the scanner. scanner.close(); } } Test Case 1 Please enter the file name or type QUIT to exit:\n input1.txtENTER Match found: 'Michael' on lines 1 and 8.\n Match found: 'Cassandra' on lines 3 and 6.\n Total of 2 matches found.\n Test Case 2 Please enter the file name or type QUIT to exit:\n input2.txtENTER Match found: 'Michael' on lines 1 and 9.\n Match found: 'Cassandra' on lines 3 and 7.\n Total of 2 matches found.\n Test Case 3 Please enter the file name or type QUIT to exit:\n input3.txtENTER File 'input3.txt' is empty.\n Test Case 4 Please enter the file name or type QUIT to exit:\n input4.txtENTER Match found: 'Michael' on lines 1 and 16.\n Match found: 'Joshua' on lines 2 and 15.\n Match found: 'Cassandra' on lines 3 and 14.\n Match found: 'Joseph' on lines 4 and 13.\n Match found: 'William' on lines 5 and 12.\n Match found: 'Matthew' on lines 6 and 11.\n Match found: 'James' on lines 7 and 10.\n Match found: 'Steven' on lines 8 and 9.\n Total of 8 matches found.\n Test Case 5 Please enter the file name or type QUIT to exit:\n input5.txtENTER File 'input5.txt' is not found.\n Please re-enter the file name or type QUIT to exit:\n input1.txtENTER Match found: 'Michael' on lines 1 and 8.\n Match found: 'Cassandra' on lines 3 and 6.\n Total of 2 matches found.\n Test Case 6 Please enter the file name or type QUIT to exit:\n qUiTENTER Test Case 7 Please enter the file name or type QUIT to exit:\n input5.txtENTER File 'input5.txt' is not found.\n Please re-enter the file name or type QUIT to exit:\n quitENTER
JAVA PPROGRAM Please Modify this program with further modifications as listed below: ALSO, take out and change the following in the program: System.out.println("Program terminated."); because the test case does not need it And change this in the program: Please enter the file name or type QUIT to exit:\n so it reperats once for every test case because it repeats twice in every case as shown in the screenshot. I only need it once. I have provided the failed the test cases and the inputs as a screenshot. The program must pass the test case when uploaded to Hypergrade. import java.io.*; import java.util.ArrayList; import java.util.Scanner; public class SymmetricalNameMatcher { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); String fileName; do { // Prompt the user to enter a file name or 'QUIT' to exit. System.out.print("Please enter the file name or type QUIT to exit:\n"); fileName = scanner.nextLine(); if (fileName.equalsIgnoreCase("QUIT")) { // If the user types 'QUIT', terminate the program. break; } File file = new File(fileName); if (!file.exists()) { // If the file doesn't exist, display an error message and continue to the next iteration. System.out.println("File '" + fileName + "' is not found."); continue; } if (file.length() == 0) { // If the file is empty, display an error message and continue to the next iteration. System.out.println("File '" + fileName + "' is empty."); continue; } ArrayList names = new ArrayList<>(); int lineCount = 0; try (BufferedReader reader = new BufferedReader(new FileReader(file))) { String line; // Read names from the file and store them in the 'names' ArrayList. while ((line = reader.readLine()) != null) { names.add(line); lineCount++; } } catch (IOException e) { e.printStackTrace(); } int matches = 0; // Compare names in symmetrical positions. for (int i = 0; i < lineCount / 2; i++) { String name1 = names.get(i); String name2 = names.get(lineCount - 1 - i); if (name1.equals(name2)) { // If a match is found, print the match details. System.out.println("Match found: '" + name1 + "' on lines " + (i + 1) + " and " + (lineCount - i) + "."); matches++; } } if (matches == 0) { // If no matches were found, display a message. System.out.println("No matches found."); } else { // Display the total number of matches found. System.out.println("Total of " + matches + " matches found."); } } while (true); // Close the scanner. scanner.close(); } } Test Case 1 Please enter the file name or type QUIT to exit:\n input1.txtENTER Match found: 'Michael' on lines 1 and 8.\n Match found: 'Cassandra' on lines 3 and 6.\n Total of 2 matches found.\n Test Case 2 Please enter the file name or type QUIT to exit:\n input2.txtENTER Match found: 'Michael' on lines 1 and 9.\n Match found: 'Cassandra' on lines 3 and 7.\n Total of 2 matches found.\n Test Case 3 Please enter the file name or type QUIT to exit:\n input3.txtENTER File 'input3.txt' is empty.\n Test Case 4 Please enter the file name or type QUIT to exit:\n input4.txtENTER Match found: 'Michael' on lines 1 and 16.\n Match found: 'Joshua' on lines 2 and 15.\n Match found: 'Cassandra' on lines 3 and 14.\n Match found: 'Joseph' on lines 4 and 13.\n Match found: 'William' on lines 5 and 12.\n Match found: 'Matthew' on lines 6 and 11.\n Match found: 'James' on lines 7 and 10.\n Match found: 'Steven' on lines 8 and 9.\n Total of 8 matches found.\n Test Case 5 Please enter the file name or type QUIT to exit:\n input5.txtENTER File 'input5.txt' is not found.\n Please re-enter the file name or type QUIT to exit:\n input1.txtENTER Match found: 'Michael' on lines 1 and 8.\n Match found: 'Cassandra' on lines 3 and 6.\n Total of 2 matches found.\n Test Case 6 Please enter the file name or type QUIT to exit:\n qUiTENTER Test Case 7 Please enter the file name or type QUIT to exit:\n input5.txtENTER File 'input5.txt' is not found.\n Please re-enter the file name or type QUIT to exit:\n quitENTER
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
Related questions
Question
JAVA PPROGRAM
Please Modify this program with further modifications as listed below:
The program must pass the test case when uploaded to Hypergrade.
ALSO, take out and change the following in the program:
System.out.println("Program terminated."); because the test case does not need it And change this in the program: Please enter the file name or type QUIT to exit:\n so it reperats once for every test case because it repeats twice in every case as shown in the screenshot. I only need it once. I have provided the failed the test cases and the inputs as a screenshot.
import java.io.*;
import java.util.ArrayList;
import java.util.Scanner;
public class SymmetricalNameMatcher {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
String fileName;
do {
// Prompt the user to enter a file name or 'QUIT' to exit.
System.out.print("Please enter the file name or type QUIT to exit:\n");
fileName = scanner.nextLine();
if (fileName.equalsIgnoreCase("QUIT")) {
// If the user types 'QUIT', terminate the program.
break;
}
File file = new File(fileName);
if (!file.exists()) {
// If the file doesn't exist, display an error message and continue to the next iteration.
System.out.println("File '" + fileName + "' is not found.");
continue;
}
if (file.length() == 0) {
// If the file is empty, display an error message and continue to the next iteration.
System.out.println("File '" + fileName + "' is empty.");
continue;
}
ArrayList<String> names = new ArrayList<>();
int lineCount = 0;
try (BufferedReader reader = new BufferedReader(new FileReader(file))) {
String line;
// Read names from the file and store them in the 'names' ArrayList.
while ((line = reader.readLine()) != null) {
names.add(line);
lineCount++;
}
} catch (IOException e) {
e.printStackTrace();
}
int matches = 0;
// Compare names in symmetrical positions.
for (int i = 0; i < lineCount / 2; i++) {
String name1 = names.get(i);
String name2 = names.get(lineCount - 1 - i);
if (name1.equals(name2)) {
// If a match is found, print the match details.
System.out.println("Match found: '" + name1 + "' on lines " + (i + 1) + " and " + (lineCount - i) + ".");
matches++;
}
}
if (matches == 0) {
// If no matches were found, display a message.
System.out.println("No matches found.");
} else {
// Display the total number of matches found.
System.out.println("Total of " + matches + " matches found.");
}
} while (true);
// Close the scanner.
scanner.close();
}
}
import java.util.ArrayList;
import java.util.Scanner;
public class SymmetricalNameMatcher {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
String fileName;
do {
// Prompt the user to enter a file name or 'QUIT' to exit.
System.out.print("Please enter the file name or type QUIT to exit:\n");
fileName = scanner.nextLine();
if (fileName.equalsIgnoreCase("QUIT")) {
// If the user types 'QUIT', terminate the program.
break;
}
File file = new File(fileName);
if (!file.exists()) {
// If the file doesn't exist, display an error message and continue to the next iteration.
System.out.println("File '" + fileName + "' is not found.");
continue;
}
if (file.length() == 0) {
// If the file is empty, display an error message and continue to the next iteration.
System.out.println("File '" + fileName + "' is empty.");
continue;
}
ArrayList<String> names = new ArrayList<>();
int lineCount = 0;
try (BufferedReader reader = new BufferedReader(new FileReader(file))) {
String line;
// Read names from the file and store them in the 'names' ArrayList.
while ((line = reader.readLine()) != null) {
names.add(line);
lineCount++;
}
} catch (IOException e) {
e.printStackTrace();
}
int matches = 0;
// Compare names in symmetrical positions.
for (int i = 0; i < lineCount / 2; i++) {
String name1 = names.get(i);
String name2 = names.get(lineCount - 1 - i);
if (name1.equals(name2)) {
// If a match is found, print the match details.
System.out.println("Match found: '" + name1 + "' on lines " + (i + 1) + " and " + (lineCount - i) + ".");
matches++;
}
}
if (matches == 0) {
// If no matches were found, display a message.
System.out.println("No matches found.");
} else {
// Display the total number of matches found.
System.out.println("Total of " + matches + " matches found.");
}
} while (true);
// Close the scanner.
scanner.close();
}
}
Test Case 1
Please enter the file name or type QUIT to exit:\n
input1.txtENTER
Match found: 'Michael' on lines 1 and 8.\n
Match found: 'Cassandra' on lines 3 and 6.\n
Total of 2 matches found.\n
input1.txtENTER
Match found: 'Michael' on lines 1 and 8.\n
Match found: 'Cassandra' on lines 3 and 6.\n
Total of 2 matches found.\n
Test Case 2
Please enter the file name or type QUIT to exit:\n
input2.txtENTER
Match found: 'Michael' on lines 1 and 9.\n
Match found: 'Cassandra' on lines 3 and 7.\n
Total of 2 matches found.\n
input2.txtENTER
Match found: 'Michael' on lines 1 and 9.\n
Match found: 'Cassandra' on lines 3 and 7.\n
Total of 2 matches found.\n
Test Case 3
Please enter the file name or type QUIT to exit:\n
input3.txtENTER
File 'input3.txt' is empty.\n
input3.txtENTER
File 'input3.txt' is empty.\n
Test Case 4
Please enter the file name or type QUIT to exit:\n
input4.txtENTER
Match found: 'Michael' on lines 1 and 16.\n
Match found: 'Joshua' on lines 2 and 15.\n
Match found: 'Cassandra' on lines 3 and 14.\n
Match found: 'Joseph' on lines 4 and 13.\n
Match found: 'William' on lines 5 and 12.\n
Match found: 'Matthew' on lines 6 and 11.\n
Match found: 'James' on lines 7 and 10.\n
Match found: 'Steven' on lines 8 and 9.\n
Total of 8 matches found.\n
input4.txtENTER
Match found: 'Michael' on lines 1 and 16.\n
Match found: 'Joshua' on lines 2 and 15.\n
Match found: 'Cassandra' on lines 3 and 14.\n
Match found: 'Joseph' on lines 4 and 13.\n
Match found: 'William' on lines 5 and 12.\n
Match found: 'Matthew' on lines 6 and 11.\n
Match found: 'James' on lines 7 and 10.\n
Match found: 'Steven' on lines 8 and 9.\n
Total of 8 matches found.\n
Test Case 5
Please enter the file name or type QUIT to exit:\n
input5.txtENTER
File 'input5.txt' is not found.\n
Please re-enter the file name or type QUIT to exit:\n
input1.txtENTER
Match found: 'Michael' on lines 1 and 8.\n
Match found: 'Cassandra' on lines 3 and 6.\n
Total of 2 matches found.\n
input5.txtENTER
File 'input5.txt' is not found.\n
Please re-enter the file name or type QUIT to exit:\n
input1.txtENTER
Match found: 'Michael' on lines 1 and 8.\n
Match found: 'Cassandra' on lines 3 and 6.\n
Total of 2 matches found.\n
Test Case 6
Please enter the file name or type QUIT to exit:\n
qUiTENTER
qUiTENTER
Test Case 7
Please enter the file name or type QUIT to exit:\n
input5.txtENTER
File 'input5.txt' is not found.\n
Please re-enter the file name or type QUIT to exit:\n
quitENTER
input5.txtENTER
File 'input5.txt' is not found.\n
Please re-enter the file name or type QUIT to exit:\n
quitENTER
Transcribed Image Text:Input1.txt
Michael
Joshua
Cassandra
Joseph
William
Cassandra
Matthew
Michael
Input2.txt
Michael
Joshua
Cassandra
Joseph
James
William
Cassandra
Matthew
Michael
Input3.txt
Input3.txt is empty
Input4.txt
Michael
Joshua
Cassandra
Joseph
William
Matthew
James
Steven
Steven
James
Matthew
William
Joseph
Cassandra
Joshua
Michael
Transcribed Image Text:Test Case 1 Failed Show what's missing
Please enter the file name or type QUIT to exit: \n
input1.txt ENTER
Match found: 'Michael' on lines 1 and 8.\n
Match found: 'Cassandra' on lines 3 and 6. \n
Total of 2 matches found.\n
Test Case 2 Failed Show what's missing
Please enter the file name or type QUIT to exit: \n
input2.txt ENTER
Match found: 'Michael' on lines 1 and 9.\n
Match found: 'Cassandra' on lines 3 and 7.\n
Total of 2 matches found.\n
Test Case 3 Failed Show what's missing
Please enter the file name or type QUIT to exit: \n
input3.txt ENTER
File 'input3.txt' is empty.\n
Test Case 4 Failed Show what's missing
Please enter the file name or type QUIT to exit: \n
input4.txt ENTER
Match found: 'Michael' on lines 1 and 16. n
Match found: 'Joshua' on lines 2 and 15.\n
Match found: 'Cassandra' on lines 3 and 14. \n
Match found: 'Joseph' on lines 4 and 13. \n
Match found: 'William' on lines 5 and 12.\n
Match found: 'Matthew' on lines 6 and 11. \n
Match found: 'James' on lines 7 and 10. \n
Match found: 'Steven' on lines 8 and 9.\n
Total of 8 matches found.\n
Test Case 5 Failed Show what's missing
Please enter the file name or type QUIT to exit: \n
input5.txt ENTER
File 'input5.txt' is not found.\n
Please re-enter the file name or type QUIT to exit: \n
input1.txt ENTER
Match found: 'Michael' on lines 1 and 8.\n
Match found: 'Cassandra' on lines 3 and 6. \n
Total of 2 matches found.\n
Test Case 6 Passed!
Please enter the file name or type QUIT to exit: \n
qUiT ENTER
Test Case 7 Failed Show what's missing
Please enter the file name or type QUIT to exit: \n
input5.txt ENTER
File 'input5.txt' is not found.\n
Please re-enter the file name or type QUIT to exit: \n
quit ENTER
Test Case 1 Failed Show what's missing
Please enter the file name or type QUIT to exit: \n
input1.txt ENTER
Match found: 'Michael' on lines 1 and 8.\n
Match found: 'Cassandra' on lines 3 and 6. \n
Total of 2 matches found.\n
Please enter the
Test Case 2
Failed
Please enter the file name or type QUIT to exit: \n
input2.txt ENTER
Match found: 'Michael' on lines 1 and 9.\n
Match found: 'Cassandra' on lines 3 and 7.\n
Test Case 3 Failed
OUTPUT TOO LONG
Total of 2 matches found.\n
Please enter the
Show what's missing
Please enter the file name or type QUIT to exit: \n
input3.txt ENTER
OUTPUT TOO LONG
File input3.txt' is empty.\n
Please e... OUTPUT TOO LONG
Test Case 5 Failed
Show what's missing
Test Case 4 Failed Show what's missing
Please enter the file name or type QUIT to exit: \n
input4.txt ENTER
Match found: 'Michael' on lines 1 and 16.\n
Match found: 'Joshua' on lines 2 and 15. \n
Match found: 'Cassandra' on lines 3 and 14. \n
Match found: 'Joseph' on lines 4 and 13.\n
Match found: 'William' on lines 5 and 12. \n
Match found: 'Matthew' on lines 6 and 11. \n
Match found: 'James' on lines 7 and 10. \n
Match found: 'Steven' on lines 8 and 9.\n
Total of 8 matches found.\n
Please enter the file name or type QUIT t... OUTPUT TOO LONG
Test Case 6
Passed!
Please enter the file name or type QUIT to exit: \n
input5.txt ENTER
Show what's missing
File 'input5.txt' is not found.\n
Please enter the file name or type QUIT to exit: \n
input1.txt ENTER
Match found: 'Michael' on lines 1 and 8. \n
Match found: 'Cassandra' on lines 3 and 6. \n
Total of 2 matches found.\n
Please enter the file name or... OUTPUT TOO LONG
Please enter the file name or type QUIT to exit: \n
qUiT ENTER
Test Case 7 Failed Show what's missing
Please enter the file name or type QUIT to exit: \n
input5.txt ENTER
File 'input5.txt' is not found.\n
Please enter the file name or type QUIT to exit: \n
quit ENTER
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