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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Java Program ASAP

Please pay attention to the screenshot for test case 2 and 3 and please make sure you match the result. Modify this program so it passes the test cases in Hypergrade becauses it says 5 out of 7 passed.

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.InputMismatchException;
import java.util.Scanner;

public class FileSorting {

public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);

while (true) {
System.out.println("Please enter the file name or type QUIT to exit:");
String fileName = scanner.nextLine();

if (fileName.equalsIgnoreCase("QUIT")) {
break;
}

try {
ArrayList<String> lines = readFile(fileName);
if (lines.isEmpty()) {
System.out.println("File " + fileName + " is empty.");
} else {
performSorting(lines);
}
} catch (IOException e) {
System.out.println("File " + fileName + " is not found.");
if (!fileName.equalsIgnoreCase("QUIT")) {
System.out.println("Please re-enter the file name or type QUIT to exit:");
}
}
}
scanner.close();
}

private static ArrayList<String> readFile(String fileName) throws IOException {
ArrayList<String> lines = new ArrayList<>();
try (BufferedReader reader = new BufferedReader(new FileReader(fileName))) {
String line;
while ((line = reader.readLine()) != null) {
lines.add(line);
}
}
return lines;
}

private static void performSorting(ArrayList<String> lines) {
try {
ArrayList<ArrayList<Integer>> numbers = new ArrayList<>();
for (String line : lines) {
String[] elements = line.split(",");
ArrayList<Integer> row = new ArrayList<>();
for (String element : elements) {
row.add(Integer.parseInt(element));
}
numbers.add(row);
}

for (ArrayList<Integer> row : numbers) {
Integer[] array = row.toArray(new Integer[0]);
Arrays.sort(array); // Use Arrays.sort() for sorting
System.out.println(Arrays.toString(array).replaceAll("[\\[\\],]", ""));
}
} catch (NumberFormatException | InputMismatchException e) {
System.out.println("Invalid file format.");
}
}
}

input2x2.csv

-67,-11
-27,-70

input1.csv
10

input10x10.csv
56,-19,-21,-51,45,96,-46
-27,29,-58,85,8,71,34
50,51,40,50,100,-82,-87
-47,-24,-27,-32,-25,46,88
-47,95,-41,-75,85,-16,43
-78,0,94,-77,-69,78,-25
-80,-31,-95,82,-86,-32,-22
68,-52,-4,-68,10,-14,-89
26,33,-59,-51,-48,-34,-52
-47,-24,80,16,80,-66,-42

input0.csv

Test Case 1

Please enter the file name or type QUIT to exit:\n
input1.csvENTER
10\n

Test Case 2

Please enter the file name or type QUIT to exit:\n
input2x2.csvENTER
-67,-11\n
-70,-27\n

Test Case 3

Please enter the file name or type QUIT to exit:\n
input10x10.csvENTER
-51,-46,-21,-19,45,56,96\n
-58,-27,8,29,34,71,85\n
-87,-82,40,50,50,51,100\n
-47,-32,-27,-25,-24,46,88\n
-75,-47,-41,-16,43,85,95\n
-78,-77,-69,-25,0,78,94\n
-95,-86,-80,-32,-31,-22,82\n
-89,-68,-52,-14,-4,10,68\n
-59,-52,-51,-48,-34,26,33\n
-66,-47,-42,-24,16,80,80\n

Test Case 4

Please enter the file name or type QUIT to exit:\n
input0.csvENTER
File input0.csv is empty.\n

Test Case 5

Please enter the file name or type QUIT to exit:\n
input2.csvENTER
File input2.csv is not found.\n
Please re-enter the file name or type QUIT to exit:\n
input1.csvENTER
10\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
input2.csvENTER
File input2.csv is not found.\n
Please re-enter the file name or type QUIT to exit:\n
QUITENTER
Transcribed Image Text:Test Case 2 Failed Show what's missing Please enter the file name or type QUIT to exit: \n input2x2.csv ENTER -67,-11\n -27,-70 \n Test Case 3 Failed Show what's missing Please enter the file name or type QUIT to exit: \n input 10x10.csv ENTER 56,-19, 21,-51,45,96,-46\n -27, 29,-58, 85, 8, 71,34\n 50,51,40,50, 100,-82,-87\n -47,-24, 27,-32,-25, 46,88 \n -47,95,-41, -75, 85, -16,43 \n -78,0,94,-77,-69, 78, -25 \n -80,-31,-95, 82, -86,-32,-22\n 68,-52,-4,-68, 10,−14,-89|\n 26,33, -59,-51,-48,-34,-52 \n -47,-24,80, 16, 80,-66,-42 \n
Transcribed Image Text:Test Case 2 Failed Show what's missing Please enter the file name or type QUIT to exit: \n input2x2.csv ENTER -67,-11\n -70,-27\n Test Case 3 Failed Show what's missing Please enter the file name or type QUIT to exit: \n input10x10.csv ENTER -51,-46, -21, -19, 45, 56,96 \n -58, -27,8,29,34, 71,85 \n -87,-82,40,50, 50, 51, 100 \n -47,-32,-27, -25,-24, 46,88 \n -75,-47,-41,-16, 43, 85,95 \n -78, -77,-69, -25,0, 78,94\n -95,-86, -80,-32, -31, -22, 82 \n -89,-68, -52,-14,-4, 10, 68\n -59,-52,-51,-48,-34, 26, 33 \n -66,-47,-42,-24, 16, 80,80\n
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