title: how to input in excel in java
body: <p>HOw do we input data in excel sheet using java code , the excel sheet format is shown in the photo below.</p>
  
  <p>The Total days and Hrs are calculated automatically here in sheet as soon as i enter in the above columns, Please tell me how do start . Also these input are associated to the other sheet(sheet2) . so please tell me the way so that it also flexible and i can modify the data in the sheet2.</p>
  
  <p>!<a href="http://i.stack.imgur.com/rMFFO.png" rel="nofollow">[Excel sheet that needs to be automated][2]</a></p>