- Java.io package classes
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- Java.io - ObjectInputStream
- Java.io - ObjectInputStream.GetField
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- io - ObjectOutputStream.PutField
- Java.io - ObjectStreamClass
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- Java.io - PushbackInputStream
- Java.io - PushbackReader
- Java.io - RandomAccessFile
- Java.io - Reader
- Java.io - SequenceInputStream
- Java.io - SerializablePermission
- Java.io - StreamTokenizer
- Java.io - StringBufferInputStream
- Java.io - StringReader
- Java.io - StringWriter
- Java.io - Writer
- Java.io package extras
- Java.io - Interfaces
- Java.io - Exceptions
- Java.io package Useful Resources
- Java.io - Discussion
Java.io.RandomAccessFile.getChannel() Method
Description
The java.io.RandomAccessFile.getChannel() method returns the unique FileChannel object associated with this file.
Declaration
Following is the declaration for java.io.RandomAccessFile.getChannel() method.
public final FileChannel getChannel()
Parameters
NA
Return Value
This method returns the file channel associated with this file.
Exception
NA
Example
The following example shows the usage of java.io.RandomAccessFile.getChannel() method.
package com.tutorialspoint; import java.io.*; public class RandomAccessFileDemo { public static void main(String[] args) { try { // create a new RandomAccessFile with filename test RandomAccessFile raf = new RandomAccessFile("c:/test.txt", "rw"); // write something in the file raf.writeUTF("Hello World"); // set the file pointer at 0 position raf.seek(0); // read and print the contents of the file System.out.println("" + raf.readUTF()); // return the channel of the file System.out.println("" + raf.getChannel()); // close the strea and release resources raf.close(); } catch (IOException ex) { ex.printStackTrace(); } } }
Assuming we have a text file c:/test.txt, which has the following content. This file will be used as an input for our example program −
ABCDE
Let us compile and run the above program, this will produce the following result −
Hello World sun.nio.ch.FileChannelImpl@3d4b7453
java_io_randomaccessfile.htm
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