Task1.java

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

public class Task1 {
    public static void main(String[] args) throws IOException {
        File file = new File("D:/test-java.txt");
        file.createNewFile();

        FileOutputStream outputStream = new FileOutputStream(file);
        outputStream.write("Hello, dear student!\nHow are you?".getBytes());
        outputStream.close();
        
        System.out.println(getAllTextFromFile(file));

        file.delete();
    }
    
    // Your implementation of getAllTextFromFile function
}