- URIs: URLs and Relative URLs
- The URL Class: Creating New URLs, Retrieving Data From a URL, Splitting a URL into Pieces, Equality & Comparison and Conversion
- The URI Class: Constructing a URI, The Parts of the URI, Resolving Relative URIs, Equality & Comparison and String Representation
- x-www-form-urlencoded: URL Encoder and URL Decoder
- Proxies: System Properties, The ProxyClass and The ProxySelector Class
- Communicating with Server-Side Programs Through GET
- Accessing Password-Protected Sites: The Authenticator Class, The PasswordAuthentication Class and The JPasswordField Class
https://www.slideshare.net/speedchandu/unit-3-urls-and-uris/speedchandu/unit-3-urls-and-uris