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Not to harp on the point, but did you notice the similarity in names: Common Language Runtime and Common Language Specifications Common to both is the word common This is not just coincidence The days of a language needing its own environment in which to execute its code are over All NET-compliant languages run in a common, managed runtime execution environment Let s back up a step and explore the advantages of having a common runtime environment Simplified development and integrated development with other languages As a programmer in the not-so-distant past, you had to concern yourself with such things as components written in different languages, GUIDs, something called IUnknown, and other nightmares With the CLR, you can rely on code that is accessed from different languages This is a huge benefit One coder can write one module in C++, and another can access and use it from Visual Basic Safe deployment and execution Security has been a concern of Microsoft developers for many years With the release of the NET Framework, Microsoft has demonstrated that it has listened to these concerns and made security a top-level priority As soon as a class is loaded into the CLR, security begins Type safety is checked (Is it a legitimate type Is it safe to use ), verification refuses to let an application access random memory locations, and credentials are checked, to name just a few of the security measures NET also introduces the concept of assemblies, in which all the pieces of the product are put together in a package that includes security information We will be exploring security in great detail in this book, both for the Windows applications and Web applications

Training of private security personnel, while important, is not the major factor of concern when analyzing the challenges and future of the private security industry A True B False

.

Automatic object management C++ programmers will be relieved when they find out that the NET languages take care of memory issues automatically In the earlier OOP days, programmers had to consciously create memory space for their objects and then remember to destroy that object space when they were finished with the objects If they did not take care of this, they created a leaky application that would eventually grab all of the system s memory resources and choke the machine With NET, Microsoft has followed Java s lead by making use of a garbage collector that goes through the memory heap periodically and removes those objects that are no longer in use Replacement of DLLs with versioned assemblies DLL Hell is over! Long live assemblies NET-packaged components The CLR uses the version information that comes packaged in an assembly to make sure that the application will load the correct component This was a nightmare for DLL programmers, even though COM (Component Object Model) was supposed to correct most of the problems The issue here was when your less-than-perfect component needed upgrading Suppose someone has an application that needs the first version of your DLL, but you have installed software that has overwritten the previous version with a newer version All of a sudden the application will stop running, since it is no longer able to access the component that it needs Read on in this book to learn more about assemblies and how they solve this problem Improved performance and scalability Performance and scalability are not new issues and, despite the hype, they will always be an issue, no matter the environment However, Microsoft has attempted to provide you with many tools to improve the performance of applications This book will address many of these issues and provide you with tips and tricks to continue improving performance This is just a short list of the advantages of the Common Language Runtime If you are interested in more details on the NET platform, be sure to explore the wide range of technical articles available to you through the Microsoft network PART I.