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Handling Exceptions in File I/O Operations Instruction: 1. Create a Java program that reads data from a text file named "input.txt" and copies it to another text file named "output.txt". 2. Implement exception handling to deal with potential I/O errors, such as file not found, permission denied, or input/output errors. 3. Use FileReader, BufferedReader for reading from the input file, and FileWriter, BufferedWriter for writing to the output file. 4. Display informative error messages in case of exceptions.

Question

Handling Exceptions in File I/O Operations

Instruction:

  1. Create a Java program that reads data from a text file named "input.txt" and copies it to another text file named "output.txt".
  2. Implement exception handling to deal with potential I/O errors, such as file not found, permission denied, or input/output errors.
  3. Use FileReader, BufferedReader for reading from the input file, and FileWriter, BufferedWriter for writing to the output file.
  4. Display informative error messages in case of exceptions.
...expand
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Solution

Here is a step-by-step guide on how to create a Java program that reads data from a text file named "input.txt" and copies it to another text file named "output.txt", with exception handling for potential I/O errors.

Step 1: Import necessary classes First, you need to import the necessary classes for file I/O operations and exception handling. These classes are FileReader, BufferedReader, FileWriter, BufferedWriter, and IOException.

import java.io.FileReader;
import java.io.BufferedReader;
import java.io.FileWriter;
import java.io.BufferedWriter;
import java.io.IOException;

Step 2: Create main class and main method Next, create your main class and the main method where your program will start.

public class Main {
    public static void main(String[] args) {
        // Your code will go here
    }
}

Step 3: Implement file reading and writing with exception handling Inside the main method, implement the file reading and writing operations. Use a try-catch block to handle potential I/O exceptions.

public static void main(String[] args) {
    try {
        // Create FileReader and BufferedReader for reading from the input file
        FileReader fr = new FileReader("input.txt");
        BufferedReader br = new BufferedReader(fr);

        // Create FileWriter and BufferedWriter for writing to the output file
        FileWriter fw = new FileWriter("output.txt");
        BufferedWriter bw = new BufferedWriter(fw);

        // Read from the input file and write to the output file
        String line;
        while ((line =

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