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Categories / Java by API / Java Nio Channels

 

FileChannel

import java.io.FileOutputStream; import java.io.IOException; import java.nio.ByteBuffer; import java.nio.channels.FileChannel; public class MainClass {   public static void main(String args[]) {     FileOutputStream fileOutputStream;     FileChannel fileChannel;     ByteBuffer byteBuffer;     try {       fileOutputStream = new FileOutputStream("test.txt");       fileChannel = fileOutputStream.getChannel();       byteBuffer = ByteBuffer.allocateDirect(26);       for (int i = 0; i < 26; i++)         byteBuffer.put((byte) ('A' + i));       byteBuffer.rewind();       fileChannel.write(byteBuffer);       fileChannel.close();       fileOutputStream.close();     } catch (IOException exc) {       System.out.println(exc);     }   } }