Java.io.Writer.close() Method

Advertisements


Description

The java.io.Writer.close() method 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.

Declaration

Following is the declaration for java.io.Writer.close() method

public abstract void close()

Parameters

  • NA

Return Value

This method does not return a value

Exception

  • IOException -- If an I/O error occurs

Example

The following example shows the usage of java.io.Writer.close() method.

package com.tutorialspoint;

import java.io.*;

public class WriterDemo {

   public static void main(String[] args) {
      String s = "Hello World";

      // create a new writer
      Writer writer = new PrintWriter(System.out);

      try {
         // append a string
         writer.append(s);

         // flush the writer
         writer.flush();

         // append a new string
         writer.append("\nThis is an example");

         // flush and close the stream
         writer.close();

      } catch (IOException ex) {
         ex.printStackTrace();
      }
   }
}

Let us compile and run the above program, this will produce the following result:

Hello World
This is an example



Advertisements
Advertisements