Difference between Aggregation and Composition
When studying UML , one of the most important questions which comes to mid of a programmer is , What is the difference between Aggregation and Composition ? Composition and Aggregation are types of...
View ArticlePerformance tuning your java and j2ee applications
Visual VM in JDK 1.6 is one of the best tools for monitoring the performance of your java/j2ee application. I am not sure why Sun has not marketed it well and kep it secret but this is a very good...
View ArticleJ2EE Design Patterns
1. Intercepting Filter: Problem : Preprocessing and post-processing of a client Web request and response are required.When a request enters a Web application, it often must pass several entrance tests...
View ArticleJNDI lookup on JBoss
There is no standard way as per Java EE specs for JNDI naming conventions, hence most of the application servers have their own way of JNDI naming. On specifying a Datasource’s JNDI name as...
View ArticleEJB 3 Interview questions
Enterprise JavaBeans (EJB) technology is the server-side component architecture for Java Platform, Enterprise Edition (Java EE). EJB 3 specification defines the new simplified EJB API targeted at ease...
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