Category Archives: Java course

Sending emails with JavaMail

JavaMail API is the reference implementation of JSR-000919 which is now open source and released under : Common Development and Distribution License (CDDL) v1.1 GNU General Public License (GPL) v2 with Classpath Exception. Its provides full support This API allows … Continue reading

Posted in Java course | Tagged , | 1 Comment

JVM memory and Java heap space

One of the major benefits of the Java language in comparison with other object oriented languages (like C++) is that programmers do not have to handle memory allocation during execution of the program. It is totally delegated to the garbage … Continue reading

Posted in Performance | Tagged , , , , | 5 Comments

How to manage error pages in Java web sites

Use case When browsing the Internet I am really surprised how often you get a dirty blank page instead of a nice custom error page even in first class web sites. One fresh example is

Posted in Java course, Java for Web | Tagged , , , , , , | Leave a comment

Utilisez le Tomcat Manager pour déployer vos projets web sur serveur Tomcat

Le Tomcat-Manager est un outil puissant fourni avec Tomcat qui permet de disposer d’informations précieuses sur l’état du serveur Tomcat mais aussi de gérer vos applications et de déployer très simplement des fichiers war tout cela à l’aide d’une interface … Continue reading

Posted in tomcat | Tagged , , | 2 Comments

Utilisation de JCaptcha avec JSF

Introduction aux Captcha Le captcha comme son nom l’indique (Completely Automated Public Turing test to tell Computers and Humans Apart) est un moyen simple de protéger son site de soumissions automatiques effectuées par des robots depuis l’autre bout du monde … Continue reading

Posted in Java course | Tagged , , , , | 2 Comments