Skip to main content

Why does Java support exception handling?

Here's a nanocast on why we should we use use exceptions to handle error conditions in programs. I hope you enjoy it :-)



This is the first episode in a multi-part series on Exception handling in Java.







-----
COMMENT:
AUTHOR: Azagu
EMAIL:
DATE: 01/23/2007 10:24:36 AM
Hi There,

Greetings and Wish you a Happy New Year. I am following your website for the past couple of months and I liked it very much.

Are you planning to put the mp3 version of this series as well on the website? It will help the users to load it to their mp3 player and listen to them.

You are doing a great job.
-----
COMMENT:
AUTHOR: Parag
DATE: 01/24/2007 03:26:09 PM
Hi Azagu,

Thank you for your kind words and a very happy new year to you too. Most of the mp3's heavily depend on some code or an example also posted as part of the blog post. I am not sure if the mp3 will be very useful independantly. Also, once I make them downloadable, my hosting bandwidth requirements will increase significantly, and I am not sure if my current plan will support that. I am talking to some people about sponsorships. Once that works out, bandwidth will not be an issue, and I can make a lot of material available for download as a podcast.

I have also been thinking about how I can improve the readers experience and help them understand programming best practices in a better way. After some thoughts I feel that these MP3's are a bit limiting because you have to also look at the accompanying code sample.

Very soon I hope to start a series of screencasts, which will show code being written in an IDE along with an audio explanation of the code. I also have plans to record my dojo sessions and upload them as 'Flash' videos.

Thank you for your comments... feedback helps me understand if I am able to help people improve their skills... so keep the feedback coming and also suggest the kind of samples you would like to see on the website in future.

--
Regards
Parag

Comments

Popular posts from this blog

My HSQLDB schema inspection story

This is a simple story of my need to inspect the schema of an HSQLDB database for a participar FOREIGN KEY, and the interesting things I had to do to actually inspect it. I am using an HSQLDB 1.8 database in one of my web applications. The application has been developed using the Play framework , which by default uses JPA and Hibernate . A few days back, I wanted to inspect the schema which Hibernate had created for one of my model objects. I started the HSQLDB database on my local machine, and then started the database manager with the following command java -cp ./hsqldb-1.8.0.7.jar org.hsqldb.util.DatabaseManagerSwing When I tried the view the schema of my table, it showed me the columns and column types on that table, but it did not show me columns were FOREIGN KEYs. Image 1: Table schema as shown by HSQLDB's database manager I decided to search on StackOverflow and find out how I could view the full schema of the table in question. I got a few hints, and they all pointed to

Fuctional Programming Principles in Scala - Getting Started

Sometime back I registered for the Functional Programming Principles in Scala , on Coursera. I have been meaning to learn Scala from a while, but have been putting it on the back burner because of other commitments. But  when I saw this course being offered by Martin Odersky, on Coursera , I just had to enroll in it. This course is a 7 week course. I will blog my learning experience and notes here for the next seven weeks (well actually six, since the course started on Sept 18th). The first step was to install the required tools: JDK - Since this is my work machine, I already have a couple of JDK's installed SBT - SBT is the Scala Build Tool. Even though I have not looked into it in detail, it seems like a replacement for Maven. I am sure we will use it for several things, however upto now I only know about two uses for it - to submit assignments (which must be a feature added by the course team), and to start the Scala console. Installed sbt from here , and added the path

Inheritance vs. composition depending on how much is same and how much differs

I am reading the excellent Django book right now. In the 4th chapter on Django templates , there is an example of includes and inheritance in Django templates. Without going into details about Django templates, the include is very similar to composition where we can include the text of another template for evaluation. Inheritance in Django templates works in a way similar to object inheritance. Django templates can specify certain blocks which can be redefined in subtemplates. The subtemplates use the rest of the parent template as is. Now we have all learned that inheritance is used when we have a is-a relationship between classes, and composition is used when we have a contains-a relationship. This is absolutely right, but while reading about Django templates, I just realized another pattern in these relationships. This is really simple and perhaps many of you may have already have had this insight... We use inheritance when we want to allow reuse of the bulk of one object in other