FileChannel: transferTo(long position, long count, WritableByteChannel target) : FileChannel « java.nio.channels « Java by API

1. Java by API
2. java.nio.channels
3. FileChannel

FileChannel: transferTo(long position, long count, WritableByteChannel target)

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

public class MainClass {

  public static void main(String[] args) throws Exception{
    String fromFileName = args[0];
    String toFileName = args[1];
    FileChannel in = new FileInputStream(fromFileName).getChannel();
    FileChannel out = new FileOutputStream(toFileName).getChannel();
    in.transferTo(0, (int) in.size(), out);
    in.close();
    out.close();
  }
}
           
         
    
    
  

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