Java Development Blog

Connection pooling is the handling and maintenance of a group of connections for the reuse of java applications in an application server. The implementation of connection pooling is a best practice to improve performance in Java Database Connectivity (JDBC). A database connection requires resources to create the connection, maintain and then release it when it […]

J2SE 5.0 introduced many new language features in which Annotation is one of them. Annotations are meta-tags that can be added to your programs and can apply to programming elements like declarations, constructors, type declarations,fields, methods, parameters, and variables. As a result, you can indicate whether your methods are dependent on other methods, whether they […]

An ‘exception’ is an event which occurs during the execution of a program that interrupts the normal flow of program. When an error is occurred in a program during execution, an ‘exception object’ is created by the method and it is handed over to the runtime system and it is called ‘throwing an exception’. Exceptions […]