I want to read a big text file
<p>I want to read a big text file, what i decided to create four threads and read 25% of file by each one.
and then join them.</p>

<p>but its not more impressive.
can any one tell me can i use concurrent programming for the same.
as my file structure have some data as 
name contact compnay policyname policynumber uniqueno</p>

<p>and I want to put all data in hashmap at last.</p>

<p>thanks</p>
