Java 2 Network Security

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Chapter 1. An Overview of Java and Security
The purpose of this chapter is not only to introduce the themes of the book to
those who will later read the more detailed chapters that follow, but also to act
as a brief overview for the intelligent non-specialist who does not need all the
details. This is because the focus of the book is on helping people to deploy
Java in a secure way. There are many people involved in that managers,
administrators, developers, systems programmers, users all of whom play a
part.
1.1 Java Is Not Just a Language
Most of the books on the subject deal with Java as a programming language.
As a programming language it has much to recommend it. Its syntax is very
like C, but with many of the features that hurt your brain removed. It is
strongly object-oriented, but it avoids the more obscure corners of the O-O
world.
For most programming languages the question of
how secure is it?
does not
arise. It's the application that needs to implement security, not the language it
is written in. However, Java is many other things in addition to being a
programming language:
· A set of object-oriented frameworks, primarily for graphical user interface
(GUI) building and networking
· An operating system
· A client/server management mechanism
· A unifying force that cuts across operating system and network
boundaries
1.2 What Java Does
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