import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.nio.IntBuffer;
import java.nio.channels.FileChannel;
public class MainClass {
public static void main(String[] args) throws IOException {
FileChannel fc = new FileInputStream(new File("temp.tmp")).getChannel();
IntBuffer ib = fc.map(FileChannel.MapMode.READ_ONLY, 0, fc.size()).asIntBuffer();
while (ib.hasRemaining())
ib.get();
fc.close();
}
}