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New IO Copier

import java.io.FileInputStream; 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) throws IOException {     FileInputStream inFile = new FileInputStream(args[0]);     FileOutputStream outFile = new FileOutputStream(args[1]);     FileChannel inChannel = inFile.getChannel();     FileChannel outChannel = outFile.getChannel();     for (ByteBuffer buffer = ByteBuffer.allocate(1024 * 1024); inChannel.read(buffer) != -1; buffer         .clear()) {       buffer.flip();       while (buffer.hasRemaining())         outChannel.write(buffer);     }     inChannel.close();     outChannel.close();   } }