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Java writer example
Posted on: December 12, 2008 at 12:00 AM

Example below demonstrates working of abstract writer class. Java writer is an abstract class build inside the java.io package. In the example several class methods of the writer class are demonstrated.

Java writer example

In the example, the java writer subclasses classes, FileWriter & PrintWriter are used to write string and other data as text characters in file rose.txt. Java writer class is used to write text files therefore as the classes of abstract writer class is used, a character output stream forms.

Now with the class methods, string and number type data is written in to the text files.

Note: While using the classes of abstract writer class, an output stream is formed because we are flowing data as characters from the internal memory of an application to a disk file.

Java_writer_example.java


import java.io.File;

import java.io.FileWriter;

import java.io.PrintWriter;

import java.io.IOException;



public class Java_writer_example {

  public static void main(String args[]) throws IOException {



  File file = new File("rose.txt");

  // file.createNewFile();

  FileWriter txt = new FileWriter(file);

  PrintWriter out = new PrintWriter(txt);



  out.append("Welcome to roseindia.net\n");

  char ch[] = { 'n', 'e', 'w', 's', 't', 'r', 'a', 'c', 'k', 'i', 'n',

  'd', 'i', 'a', '.', 'c', 'o', 'm' };

  out.print("\n\tWelcome to ");

  out.write(ch);



  out.close();



  }

}

Download the code

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