All that you need to know about url and connections in Java

1. Url decoding - covert 

   
   https%3A%2F%2Fmywebsite%2Fdocs%2Fenglish%2Fsite%2Fmybook.do%3Frequest_type

   to
   
   

   https://mywebsite/docs/english/site/mybook.do&request_type

2. Difference between URLs and URIs ? http://stackoverflow.com/questions/176264/whats-the-difference-between-a-uri-and-a-url/1984225#1984225
3. What is the use of urlencoder.encode ?
4. http://hc.apache.org/httpcomponents-client-ga/primer.html
5. 
   

Unicode :

1. http://www.joelonsoftware.com/articles/Unicode.html
2.