title: Incrementing a long value which is a date
body: <p>I am having a long value which represents a date ,that is have converted a date to long,now i want to increment the long value itself to next date,how to perform operation on a long value to get the next date.</p>
  
  <pre><code>long endDate=1454756400000 
  </code></pre>
  
  <p>represent todays date long value,which is milliseconds  (00:00:00 GMT, January 1, 1970). </p>