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Tuesday, 9 July 2013

Write to a file in Java - Sample Program

This sample Java program demonstrates how to write to a file in Java. For this, the following two classes FileWriter and BufferedWriter are used. This program can be used to write to any text file using a Java Program.
FileWriter

The FileWriter is a class used for writing character files. The constructors of this class assume that the default character encoding and the default byte-buffer size are acceptable. To specify these values yourself, construct an OutputStreamWriter on a FileOutputStream.

BufferedWriter

The BufferWriter class is used to write text to a character-output stream, buffering characters so as to provide for the efficient writing of single characters, arrays, and strings.

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import java.io.*;

class FileWrite {
public static void main(String args[]) {
try {
// Create file
FileWriter fstream = new FileWriter("out.txt");
BufferedWriter out = new BufferedWriter(fstream);
out.write("Hello Java");
// Close the output stream
out.close();
} catch (Exception e) {// Catch exception if any
System.err.println("Error: " + e.getMessage());
}
}
}

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