URL class in Java

java.net.URL

Class URL represents a Uniform ResourceLocator, a pointer to a "resource" on the World Wide Web. 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.

Some methods of the URL class

URL(String)This method creates a URL object from the String representation.

URL(URL, String)This method creates a URL by parsing the given spec within a specified context.

URL(String, String, String)This method creates a URL from the specified protocol name, hostname, and file name.

URL(URL, String, URLStreamHandler)This method creates a URL by parsing the given spec with the specified handler within a specified context.

URL(String, String, int, String)This method creates a URL object from the specified protocol, host, port number, and file. host can be expressed as a hostname or a literal IP address.

URL(String, String, int, String, URLStreamHandler)This method creates a URL object from the specified protocol, host, port number, file, and handler.

equals(Object)This method compares this URL for equality with another object.

getAuthority()This method gets the authority part of this URL.

getContent()This method gets the contents of this URL.

getContent(Class<?>[])This method gets the contents of this URL.

getDefaultPort()This method gets the default port number of the protocol associated with this URL.

getFile()This method gets the file name of this URL. 

getHost()This method gets the hostname of this URL, if applicable.

getPath()This method gets the path part of this URL.

getPort()This method gets the port number of this URL.

getProtocol()This method gets the protocol name of this URL.

getQuery()This method gets the query part of this URL.

getRef()This method gets the anchor (also known as the "reference") of this URL.

getUserInfo()This method gets the userInfo part of this URL.

hashCode()This method creates an integer suitable for hash table indexing.

openConnection()This method returns a URLConnection instance that represents a connection to the remote object referred to by the URL.

openConnection(Proxy)This method returns a URLConnection instance that represents a connection to the remote object referred to by the URL with Proxy.

openStream()This method opens a connection to this URL and returns an InputStream for reading from that connection.

sameFile(URL)This method compares two URLs, excluding the fragment component.

URL.setURLStreamHandlerFactory(URLStreamHandlerFactory)This method sets an application's URLStreamHandlerFactory.This method can be called at most once in a given Java VirtualMachine.

toExternalForm()This method constructs a string representation of this URL. 

toString()This method constructs a string representation of this URL. The string is created by calling the toExternalForm method of the stream protocol handler for this object.

toURI()This method returns a java.net.URI equivalent to this URL.

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