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

class C {
    void m(File file) throws IOException {
        FileChannel channel1;
        FileChannel channel2;
        try (FileInputStream stream = new FileInputStream(file)) {
            stream.getFD();
            channel1 = stream.getChannel();
            channel2 = stream.getChannel();
        }
        channel1.close();
        channel2.close();
    }
}