Copying One File to Another with FileChannel

   

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.nio.channels.FileChannel;

public class Main {
  public static void main(String[] argv) throws Exception {
    FileChannel srcChannel = new FileInputStream("srcFilename").getChannel();
    FileChannel dstChannel = new FileOutputStream("dstFilename").getChannel();

    dstChannel.transferFrom(srcChannel, 0, srcChannel.size());
    srcChannel.close();
    dstChannel.close();
  }
}

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Copying One File to Another with FileChannel : FileInputStream « File Input Output « Java

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