28 lines
817 B
Java
28 lines
817 B
Java
// newio/TransferTo.java
|
|
// (c)2016 MindView LLC: see Copyright.txt
|
|
// We make no guarantees that this code is fit for any purpose.
|
|
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
|
|
// Using transferTo() between channels
|
|
// {Args: TransferTo.java TransferTo.txt}
|
|
import java.nio.channels.*;
|
|
import java.io.*;
|
|
|
|
public class TransferTo {
|
|
public static void
|
|
main(String[] args) throws Exception {
|
|
if(args.length != 2) {
|
|
System.out.println(
|
|
"arguments: sourcefile destfile");
|
|
System.exit(1);
|
|
}
|
|
try(FileChannel in = new FileInputStream(
|
|
args[0]).getChannel();
|
|
FileChannel out = new FileOutputStream(
|
|
args[1]).getChannel()) {
|
|
in.transferTo(0, in.size(), out);
|
|
// Or:
|
|
// out.transferFrom(in, 0, in.size());
|
|
}
|
|
}
|
|
}
|