Category Archives: Java course

Mapping hibernate avec @Formula

Posted on July 1, 2020 by Matthieu

Il arrive (parfois) que l’on souhaite dans nos beans mapper un attribut, non pas directement avec une colonne de notre base de données ni même avec des colonnes héritées ni de des jointures. C’est le cas par exemple dans une … Continue reading →

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Sending emails with JavaMail

Posted on January 6, 2015 by Matthieu

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 →

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JVM memory and Java heap space

Posted on January 4, 2011 by Matthieu

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

Posted on November 30, 2010 by Matthieu

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

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

Posted on November 15, 2010 by Matthieu

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