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18/12/2024 07:44:28 PM

​Cách GHI – ĐỌC dữ liệu từ tệp tin trong ngôn ngữ Java

import java.io.FileWriter;

import java.io.IOException;

 

public class WriteToFileExample {

    public static void main(String[] args) {

        String filePath = "example.txt";

        String content = "Hello, this is an example of writing to a file in Java.";

 

        try (FileWriter writer = new FileWriter(filePath)) {

            writer.write(content);

            System.out.println("File written successfully!");

        } catch (IOException e) {

            System.err.println("An error occurred while writing to the file.");

            e.printStackTrace();

        }

    }

}

 

public class ReadFromFileExample {

    public static void main(String[] args) {

        String filePath = "example.txt";

 

        try (BufferedReader reader = new BufferedReader(new FileReader(filePath))) {

            String line;

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

                System.out.println(line);

            }

        } catch (IOException e) {

            System.err.println("An error occurred while reading the file.");

            e.printStackTrace();

        }

    }

}

Trương Đình Huy