By Kenneth L. Calvert
Most web functions use sockets to enforce community verbal exchange protocols. TCP/IP Sockets in Java: functional consultant for Programmers, with its concentrated, tutorial-based insurance, is helping you grasp the initiatives and methods necessary to nearly all client-server tasks utilizing sockets in Java. Later chapters educate you to enforce extra really good performance; incisive discussions of programming constructs and protocol implementations equip you with a deeper knowing that's important for assembly destiny demanding situations. No different source offers so concisely or so successfully the precise fabric you want to wake up and operating with Java sockets programming correct away.
For those that application utilizing the c programming language, make sure to try out this book's better half, TCP/IP Sockets in C: sensible consultant for Programmers.
For instance code from the textual content, pattern programming workouts, Powerpoint slides, and extra, click the gray "Companion website" button to the suitable.
*Concise, no-nonsense factors of matters frequently problematical for college kids, together with message development and parsing, underlying mechanisms and Java I/O
*Comprehensive example-based insurance of an important TCP/IP techniques-including iterative and threaded servers, timeouts and asynchronous message processing
*Includes a close, easy-to-use connection with the proper JAVA category libraries
*A significant other website presents on-line code for all of the instance courses given within the book
*Provides a consultant to universal blunders and a reference delivering designated documentation of the sockets interface
*Perfect for a practitioner who will even wish simply to "look into" this technology.
*Provides tutorial-based instuction in key sockets programming concepts, focusing completely on Jva and complemented by means of instance code.
*Covers tough sockets programming concerns: message building and parsing, underlying TCP/IP protocol mechanisms, Java I/O, iterate and threaded servers, and timeouts.
*Includes references to the appropriate Java type libraries that frequently transcend the "official" Java documentation in readability and explanation.
*Provides code for all instance courses, besides extra workouts, through significant other net site.
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Extra resources for TCPIP Sockets in Java Practical Guide for Programmers
Example text
This means that by the time a call to send() returns, the message has been passed to the underlying channel for transmission and is (or soon will be) on its way out the door. Between the time a message arrives from the network and the time its data is returned via read() or receive(), the data is stored in a first-in, first-out (FIFO) queue of received data. With a connected TCP socket, all received-but-not-yet-delivered bytes are treated as one continuous sequence of bytes (see Chapter 6). For a UDP socket, however, the received data may have come from different senders.
Its 64-bit representation (in hexadecimal) is 0x0000704885F926B1. 1 If the sender were to use littleendian order to send the above integer, and the receiver were expecting big-endian, instead of the correct value, the receiver would interpret the transmitted eight-byte sequence as the value 12765164544669515776L. One last detail on which the sender and receiver must agree: whether the numbers transmitted will be signed or unsigned. The four primitive integer types in Java are all signed; values are stored in two’s-complement representation, which is the usual way of representing signed numbers.
Verify experimentally the size of the largest message you can send and receive using a DatagramPacket. 10. java. How is the UDP echo client’s socket given a port number? Hint: The answer is different for TCP. cha pter 3 Sending and Receiving Data T ypically you use sockets because your program needs to provide information to, or use information provided by, another program. There is no magic: any programs that exchange information must agree on how that information will be encoded—represented as a sequence of bits—as well as which program sends what information when, and how the information received affects the behavior of the program.
TCPIP Sockets in Java Practical Guide for Programmers by Kenneth L. Calvert
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