How to generate a random password in Java
How to generate a random password in Java. The algorithm uses a dictionary.
GET/POST request with Apache HttpClient
GET/POST request tutorial using Apache HttpClient. The tutorial is using httpbin.org test server.
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.
How to convert String to InputStream in Java
Simple example how to convert a String object InputStream object in Java using ByteArrayInputStream class.
How to convert Inputstream to String in Java
How to convert a InputStream object to String object in Java using BufferedReader and InputStreamReader classes.
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.