The document discusses Java network programming and URLs. It explains that a URL can reference files, directories, databases, search engines, and other resources. It outlines the URL class and some of its key methods like getFile(), getHost(), getPath(), getPort(), getProtocol(), and openConnection(), which can be used to retrieve information from URLs and establish connections. The document is part of a lecture on network programming in Java.

1. CS3135/CS2135
Object Oriented Programming (Java)
BSCS-3 / MCS-3
Lecture # 25
Network Programming
Part-2

2. Java Network Programming - URL
• A resource can be something as simple as a file or a directory, or it can be a reference to a more
complicated object, such as a query to a database or to a search engine.
java.net.URL
• URL(String) //URL
• String getFile()
• String getHost()
• String getPath()
• int getPort()
• String getProtocol()
• URLConnection openConnection()
Instructor: Tanzila Kehkashan
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3. Instructor: Tanzila Kehkashan
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4. Instructor: Tanzila Kehkashan
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