Heading tag example <! DOCTYPE html > < html > < head > < base href = "E:\media\images\" /> </ head > < body >< p > Program demonstrating use of a map to count the frequency of words in a file. < p > < h1 > hi ajay </ h1 > < h2 > hi ajay </ h2 > < h3 > hi ajay </ h3 > < h4 > hi ajay </ h4 > < h5 > hi ajay </ h5 > < h6 > hi ajay </ h6 > < p > </ body > </ html >