Understand Java and Its Suitability

The Java platform is highly regarded in part because of its suitability for writing programs that use and interact with the resources on the Internet and the World Wide Web. In fact, Java-compatible browsers use this ability of the Java platform to the extreme to transport and run applets over the Internet.

Java Networking has two sections. The first describes the networking capabilities of the Java platform that you may already be using without realizing that you are using the network. The second provides a brief overview of networking to familiarize you with terms and concepts that you should understand before reading how to use URLs, sockets, and datagrams.

In Java programming you have to work with URLs. you must know how your Java programs can use URLs to access information on the Internet. A URL (Uniform Resource Locator) is the address of a resource on the Internet. Your Java programs can use URLs to connect to and retrieve information over a network. You must learn how to create and parse a URL, how to open a connection to a URL, and how to read from and write to that connection.

Sockets are used to communicate your program with other program on network. A socket is one endpoint of a two-way communication link between two programs running on the network. You must study about how a client can connect to a standard server, the Echo server, and communicate with it via a socket. It then walks you through the details of a complete client/server example, which shows you how to implement both the client side and the server side of a client/server pair.

 What has changed after oracle bought Sun? After losing Sun to Oracle, IBM reports lower question results Vendor says first-quarter revenue off 11% compared with last year; net income also down.

On the same day that it appears to have lost out for good on the opportunity to buy Sun Microsystems Inc., IBM reported that its revenue in this year’s first quarter dropped 11% compared with the same quarter last year and fell short of analyst expectations.

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