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Java Tutorial : Java IO (FileWriter class)

Java Tutorial : Java IO (FileWriter class)

Java Tutorial : Java IO (FileWriter class)

Java Tutorial : Java IO (FileWriter class)

Java Tutorial : Java IO (FileWriter class)

FileWriterDemo.java

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

/*
 * public FileWriter(String fileName) throws IOException
 * 
 * Parameters: 
 * ----------
 * 
 * fileName - String The system-dependent filename.
 */

public class FileWriterDemo
{

    public static void main(String[] args) throws IOException
    {
        FileWriterDemo fileWriterDemo = new FileWriterDemo();
        fileWriterDemo.writeFile();
    }

    private void writeFile() throws IOException
    {
        FileWriter fileWriter = null;

        try
        {

            /*
             * Constructs a FileWriter object given a file
             * name.
             */
            String fileName = "myfile.txt";
            fileWriter = new FileWriter(fileName);
            /*
             * Writes a string.
             */
            fileWriter.write("Peter is going to Japan.");
            System.out
                    .println("Successfully written to the file."
                            + "please check the file content.");
        }
        finally
        {
            if (fileWriter != null)
            {
                /*
                 * Closes the stream, flushing it first.
                 * Once the stream has been closed, further
                 * write() or flush() invocations will cause
                 * an IOException to be thrown. Closing a
                 * previously closed stream has no effect.
                 */
                fileWriter.close();
            }
        }
    }

}