How to create object using reflection in Java
How to create an object using reflection in Java. Simple examples for both situations provided: with parameters or without parameters.
How to delete directory in Java
How to delete directory in Java using File.delete() method. Recursive delete is applied if the directory is not empty.
GET/POST request with HttpURLConnection in Java
How to send GET and POST requests using standard HttpURLConnection class from Java. Simple examples for both methods.
Java Exceptions handling
How to handle exceptions in Java. Checked and unchecked exceptions example using custom implementation.
How to create WSDL file with Eclipse
WSDL is an XML format for describing network services as a set of endpoints operating on messages containing either document-oriented or procedure-oriented information. WSDL stands for Web Services Description Language. The WSDL is an abstract definitions of ports and messages, being separated from the concrete implementation. Using this model to define the service allows the reuse of these definitions and also will allow to implement server and client independently.
How to create Generic Object Pool in Java
In a application you can have resources that are limited or time consuming to create a new one. e.g. a connection to a database, a new thread. A solution is to create a the limited resource once and reuse it. To address this problem the object pool pattern was introduced. The object pool design will have the mechanism to create a new object to keep the objects and to destroy the objects if necessary.
