An Introduction to Network Programming with Java: Java 7 by Jan Graba

By Jan Graba

Because the moment version of this article, using the net and networks typically has persisted to extend at an attractive price. This has resulted in either a rise popular for community software program and to advancements within the know-how used to run such networks, with the latter certainly resulting in alterations within the former. in this time, the Java libraries were up-to-date to maintain with the recent advancements in community know-how, in order that the Java programming language remains to be one of many mainstays of community software program development.

In supplying a really readable textual content that avoids getting immersed in low-level technical info, whereas nonetheless supplying an invaluable, sensible consultant to community programming for either undergraduates and busy IT pros, this 3rd version keeps the craze of its predecessors. To keep its foreign money, the textual content has been up-to-date to mirror alterations that experience taken position in Java's community expertise over the last seven years (including the discharge of Java 7), when conserving its striking positive aspects of various code examples, screenshots and end-of-chapter workouts.

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Additional info for An Introduction to Network Programming with Java: Java 7 Compatible (3rd Edition)

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Close(); //Step 4. exit(1); } } } } For the preceding client–server application to work, TCP/IP must be installed and working. How are you to know whether this is the case for your machine? Well, if there is a working Internet connection on your machine, then TCP/IP is running. In order to start the application, first open two command windows and then start the server running in one window and the client in the other. ) The example screenshots in Figs. 4 show the dialogues between the server and two consecutive clients for this application.

On PCs, threads with the same priority are each given an equal time-slice or time quantum for execution on the processor. When the quantum expires, the first thread is suspended and the next thread in the queue is given the processor, and so on. If some threads require more urgent attention than others, then they may be assigned higher priorities (allowing pre-emption to occur). Under the Solaris operating system, a thread runs either to completion or until another higher-priority thread becomes ready.

Length(),clientAddress, clientPort); //Step 7. send(outPacket); //Step 8. printStackTrace(); } 24 2 Starting Network Programming in Java finally //If exception thrown, close connection. close(); //Step 9. } } } Setting up the corresponding client requires the eight steps listed below. 1. Create a DatagramSocket object. This is similar to the creation of a DatagramSocket object in the server program, but with the important difference that the constructor here requires no argument, since a default port (at the client end) will be used.

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