How to generate a random password in Java

  • 19 July 2017
  • ADM

How to generate a random password in Java. The algorithm uses a dictionary.


GET/POST request with Apache HttpClient

  • 27 January 2017
  • ADM

GET/POST request tutorial using Apache HttpClient. The tutorial is using httpbin.org test server.


GET/POST request with HttpURLConnection in Java

  • 17 October 2016
  • ADM

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

  • 14 October 2016
  • ADM

Simple example how to convert a String object InputStream object in Java using ByteArrayInputStream class.


How to convert Inputstream to String in Java

  • 12 September 2016
  • ADM

How to convert a InputStream object to String object in Java using BufferedReader and InputStreamReader classes.


How to create Generic Object Pool in Java

  • 23 March 2016
  • ADM

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.