Oprettelse og Skrivning til en Fil

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

public class WriteToFileExample {
    public static void main(String[] args) {
        String filename = "output.txt";
        try {
            // Create a FileWriter wrapped with a BufferedWriter
            BufferedWriter writer = new BufferedWriter(new FileWriter(filename));
            
            // Write lines of text to the file
            writer.write("Hello, this is the first line.");
            writer.newLine(); // Write a newline character
            writer.write("This is the second line.");
            writer.newLine();
            writer.write("Writing to files is easy with Java!");
            
            // Always close the writer to save changes and free resources
            writer.close();
            
            System.out.println("File written successfully.");
        } catch (IOException e) {
            System.out.println("An error occurred while writing to the file.");
            e.printStackTrace();
        }
    }
}