Here is an example to connect your JDBC code to MySQl database. You have to download mysql.jar for the JDBC driver class from here. If you are not copying the mysql.jar file in the classpath, you will get the following error.
Configure Quartz Scheduler Jobs using XML File
In this tutorial I would explain how to configure quartz scheduler using properties file and xml file. Properties file will be used for configuring the JobStore details and XML configuration path. XML will store the list of Job details and cron triggers. In my previous post I have explained how to setup quartz scheduler pro-grammatically. …
How to Write Quartz JobListener?
In my previous posts I have explained about writing simple quartz scheduler and how to list jobs. This tutorial explains how to write a listener for the scheduler. In certain scenarios, we have to execute few lines of code or log messages before and after the batch process. The listeners are very useful for achieving …
How to Check Hidden File in Java?
If you want to check if a file is hidden or not. Then use the below code snippet. The method isHidden() in the File class is used for checking if the file is hidden or not. This is simple utility which is useful when you are working with the File operations.
Convert String to Date using SimpleDateFormat
Many developers find it hard for understanding the conversion of plain string to the Date object with the desired format. This is a very basic requirement in any Java application. This tutorial provides few basic formats examples using the SimpleDateFormat class. Also there is plenty of formats available and supported by JDK, you can try …
Creating Managed Threads Using ManagedThreadFactory in Java EE 7 – Part 3
So far we have seen: In Part-1: Creating ManagedExecutorService to submit a single task or a list of tasks where each task would be an implementation of either Callable or Runnable interface. In Part-2: Creating ManagedScheduledExecutorService for scheduling tasks to run at a later time or to schedule repeating tasks. In this post, which will …
ManagedScheduledExecutorService for Implementing Concurrency Utilities in Java EE 7 – Part 2
In my previous post you saw how to use the concurrency utilities in Java EE 7 by using the ManagedExecutorService. In this post we will have a look at a variant of this i.e the ManagedScheduledExecutorService. ManagedScheduledExecutorService is used to schedule tasks to be executed in future by specifying the delay in terms of SECONDS, …
How to Protect PDF with Password using iText in Java?
In my previous article I have explained about how to create PDF document using iText with simple example. This tutorial explains how to add a password protection for your PDF document. iText doesn’t provide the password feature in its own API, however it internally uses another third part implementation and implements the password protection. iText internally …