Java for ColdFusion Developers by Eben Hewitt PDF

By Eben Hewitt

ISBN-10: 0130461806

ISBN-13: 9780130461803

The 1st Java advisor particularly for knowledgeable ColdFusion builders and net pros! * Leverage your internet and ColdFusion talents to strengthen strong Java purposes * grasp JSP, servlets, customized tags, JavaBeans, JDBC, and different key Java internet applied sciences * set up and run Apache Tomcat four and JRun four software servers * construct numerous whole functions, together with an e-commerce website * contains convenient Java thesaurus and JSP/servlet references * up to date insurance of Java 1.4, JSP 1.2, servlet 2.3, and ColdFusion MX With ColdFusion MX and this e-book, any internet expert can leverage the facility of Java to construct powerful, high-performance internet functions. best net developer and columnist Eben Hewitt starts with a rapid-fire creation to Java that builds on what you know approximately ColdFusion to coach you precisely what you want to find out about Java programming. Hewitt's concentrated examples, real-world insights, and code will take you from the fundamentals of object-oriented programming to stylish JSP/servlet improvement, XML-based functions, and past! * grasp object-oriented software layout and programming * construct strong servlets, JavaServer Pages, applets, and computer functions * Leverage XML & XSLT, exception dealing with, I/O, JDBC databases, and extra * comprehend the similarities and key modifications among CFML and Java improvement * combine ColdFusion MX with J2EE and servlet expertise * Create JSP customized tags and use the brand-new JSP commonplace Tag Library * contains entire references to JSP tags and the Servlet API, plus a convenient Java glossaryThe bookUs large code examples (downloadable from www.corecoldfusion.com) comprise a start-to-finish Java e-commerce software.

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The purpose for this is to ensure that Java programmers do not perform an assignation when they meant to check for equivalency. The following bit of code demonstrates a simple use of the logical type. println("isCurrent is false"); } } } This code simply outputs isCurrent is true to the command line. The following code produces an equivalent result: …if(isCurrent == true)…. Two equal signs are used, as in JavaScript, to check for the same value. In addition to assigning a variable of boolean type literally, boolean variables can also store the results of decisions.

There are a couple of things to note about these types. First of all, the highest and lowest possible values cannot be specified because of the decimal place. The accuracy of the number is variable 38 39 depending on its magnitude, which could be very large or very small depending on where the decimal is placed. 00. As with a long, you should specify a float by placing an F after the literal value; otherwise, the compiler will treat it as a double. 5 shows the range, length, and example values for each type.

Note Other packages that you use may need to be imported to be referenced in this direct manner. We will look more closely at importing later. But this command in Java is the reason for the introduction in ColdFusion MX of the tag. In the next chapter we will look at what kinds of data Java makes available and write a number of procedural programs to illustrate their use. 7 Exercise 1: Download and Install the SDK It is important to download the SDK and get started using it. If you have little experience with programming, it can be awkward getting started.

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Java for ColdFusion Developers by Eben Hewitt


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