Java program to merge two text files in to third file.

import java.io.*;

public class MergeFiles {

    public static void main(String[] args) {

        String inputFile1 = "inputFile1.txt"; // Replace with the actual file path and name

        String inputFile2 = "inputFile2.txt"; // Replace with the actual file path and name

        String outputFile = "outputFile.txt"; // Replace with the desired output file path and name

        mergeFiles(inputFile1, inputFile2, outputFile);

        System.out.println("Files merged successfully!");

    }

    private static void mergeFiles(String inputFile1, String inputFile2, String outputFile) {

        try (BufferedReader reader1 = new BufferedReader(new FileReader(inputFile1));

             BufferedReader reader2 = new BufferedReader(new FileReader(inputFile2));

             BufferedWriter writer = new BufferedWriter(new FileWriter(outputFile))) {

            String line;

            // Merge content from inputFile1

            while ((line = reader1.readLine()) != null) {

                writer.write(line);

                writer.newLine();

            }

            // Merge content from inputFile2

            while ((line = reader2.readLine()) != null) {

                writer.write(line);

                writer.newLine();

            }

        } catch (IOException e) {

            System.err.println("Error merging files: " + e.getMessage());

        }

    }

}