An Introduction to Network Programming with Java: Java 7 - download pdf or read online

By Jan Graba

ISBN-10: 1447152549

ISBN-13: 9781447152545

Because the moment version of this article, using the web and networks ordinarily has endured to extend at a stupendous cost. This has ended in either a rise well known for community software program and to advancements within the know-how used to run such networks, with the latter evidently resulting in alterations within the former. in this time, the Java libraries were up to date to maintain with the recent advancements in community expertise, in order that the Java programming language remains to be one of many mainstays of community software program development.

In offering a really readable textual content that avoids getting immersed in low-level technical information, whereas nonetheless supplying an invaluable, functional consultant to community programming for either undergraduates and busy IT execs, this 3rd version keeps the fashion of its predecessors. To preserve its foreign money, the textual content has been up to date to mirror alterations that experience taken position in Java's community expertise during the last seven years (including the discharge of Java 7), while maintaining its impressive beneficial properties of diverse code examples, screenshots and end-of-chapter routines.

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

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2 . It also generates an exception, bu t now the program uses the try keyword to detect exceptions in the block of code in the go method. When an exception occurs, execution resumes at the catch keyword. Actually, each try statement can have multiple catch keywords. Execution will continue at the catch keyword that matches the type of thrown exception (more on that later). 2: This program catches exceptions that occur. 2 isn't much different from using an if statement to detect a zero argument.

If the price is too high or he was overcharged, then the customer will not be happy. If either of these conditions is true, the expression between the parentheses will return true . If one of the two conditions is true , we want to show that the customer is unhappy, so we use the NOT operator to set the isCustomerHappy flag to false. ) operator has a high precedence, so parentheses are often needed to make a statement correct. ) reverses a single Boolean value. It is easy to confuse NOT with the complement operator (~).

You can do all three steps simultaneously, like so: int count = 243; The int count portion declared the variable and instantiated it as well. The = 243 portion initializes the new variable. We would say that this variable is initialized with an assignment statement upon declaration. 3 shows the instance and static variables' default values upon declaration. 3: Default values for given data types. ) boolean false object reference null When you create a variable, Java always initializes the variable to a default value as a safety measure.

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An Introduction to Network Programming with Java: Java 7 Compatible (3rd Edition) by Jan Graba

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