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