Java.io.FilterOutputStream.write() Method

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Description

The java.io.FilterOutputStream.write(int b) method writes specified byte to this output stream.

Declaration

Following is the declaration for java.io.FilterOutputStream.write(int b) method:

public void write(int b)

Parameters

  • b -- the source byte.

Return Value

This method does not return any value.

Exception

  • IOException -- if an I/O error occurs.

Example

The following example shows the usage of java.io.FilterOutputStream.write(int b) method.

package com.tutorialspoint;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.OutputStream;

public class FilterOutputStreamDemo {
   public static void main(String[] args) throws Exception {
      
      OutputStream os = null; 
      FilterOutputStream fos = null;
      FileInputStream fis = null;
      int i=0;
      char c;
      
      try{
         // create output streams
         os = new FileOutputStream("C://test.txt");
         fos = new FilterOutputStream(os);

         // writes buffer to the output stream
         fos.write(65);
                  
         // forces byte contents to written out to the stream
         fos.flush();
         
         // create input streams
         fis = new FileInputStream("C://test.txt");
         
         // get byte from the file
         i = fis.read();
         
         // convert integer to character
         c = (char)i;
         
         // print character
         System.out.print("Character read: "+c);
         
      }catch(IOException e){
         
         // if any I/O error occurs
         System.out.print("Close() is invoked prior to write()");
      }finally{
         
         // releases any system resources associated with the stream
         if(os!=null)
            os.close();
         if(fos!=null)
            fos.close();
      }
   }
}

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

Character read: A



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