Lab-2 Operating System

[kadir]

import java.io.*;

class FileReaderThread extends Thread {
    private String fileName;
    private int fileOrder;
    private String fileContent = "";
    private int wordCount = 0;

    public FileReaderThread(String fileName, int fileOrder) {
        this.fileName = fileName;
        this.fileOrder = fileOrder;
    }

    @Override
    public void run() {
        try {

            BufferedReader br = new BufferedReader(new FileReader(fileName));
            StringBuilder sb = new StringBuilder();
            String line;

            while ((line = br.readLine()) != null) {
                sb.append(line).append("\n");
            }

            br.close();
            fileContent = sb.toString();

            String[] words = fileContent.trim().split("\\s+");
            wordCount = words.length;

        } catch (IOException e) {
            System.out.println("Error reading file " + fileOrder + ": " + e.getMessage());
        }
    }

    public String getFileContent() {
        return fileContent;
    }

    public int getWordCount() {
        return wordCount;
    }

    public int getFileOrder() {
        return fileOrder;
    }
}

public class FileReaderThreads {
    public static void main(String[] args) {

        String[] files = {"file1.txt", "file2.txt", "file3.txt"};

        FileReaderThread[] threads = new FileReaderThread[3];
        for (int i = 0; i < 3; i++) {
            threads[i] = new FileReaderThread(files[i], i + 1);
            threads[i].start();
        }

        for (int i = 0; i < 3; i++) {
            try {
                threads[i].join();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }

        int[] outputOrder = {3, 2, 1};

        for (int order : outputOrder) {
            for (FileReaderThread thread : threads) {
                if (thread.getFileOrder() == order) {
                    System.out.println(thread.getFileContent());
                    System.out.println("there are " + thread.getWordCount() + " words in the " + order + ". file.\n");
                }
            }
        }
    }
}