Facing problems in parsing excel and saving data ? Yes, In this tutorial i am gonna show you people how you can easily parse excel files and get data in form java beans.
Friday, 25 September 2015
Friday, 12 June 2015
In this tutorial we gonna make a utility class that accepts file as argument ( .xlsx file ), parse it and return rows as List. You can make use of this class in your project to read excel file and get the contents. For this first we need Apache POI. Apache POI is the pure Java API for reading and writing Excel files in both formats XLS (Excel 2003 and earlier) and XLSX (Excel 2007 and later).
Thursday, 9 October 2014
If you want to execute shell scripts on remote server and get output with the help of your java program then you are at right place. In this tutorial we will be using Java secure channel ( Jsch ) to log on to remote server, execute the shell script and capture the output. JSch is a pure Java implementation of SSH2. ( download jSch ).
In this tutorial we gonna learn that how to call a specific method when a session is going to be destroyed or invalidated by the application container. First of all we need to know why we are doing this. Well it may have many applications but typically we use it for updating user counts, releasing resources etc. We could use HttpSessionListener and do the job in sessionDestroyed() method.
A servlet is a Java programming language class that is used to extend the capabilities of servers that host applications accessed by means of a request-response programming model. Although servlets can respond to any type of request, they are commonly used to extend the applications hosted by web servers. ( more reference ).
Tuesday, 30 September 2014
In this tutorial we are going to see how to calculate the width of text inside the text box. First of all we need to know why we are trying to achieve this. This is useful when you want to position some text suggestion just beneath the user cursor inside the text box. The image given below will provide better understanding of the scenario.