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import java.io.FileInputStream;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;
public class MainClass {
private static final int LENGTH = 100; // Small
public static void main(String[] args) throws Exception {
MappedByteBuffer in = new FileInputStream("test.txt").getChannel().map(
FileChannel.MapMode.READ_ONLY, 0, LENGTH);
int i = 0;
while (i < LENGTH)
System.out.print((char) in.get(i++));
System.out.println((char) in.get(i++));
}
}
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