July 2003
Beginner
256 pages
6h 28m
English
Content preview from Learning UMLBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 1. Introduction
This chapter introduces the Unified Modeling Language (UML). I discuss why the UML is important and how one can learn it, by focusing on the object-oriented paradigm, structural modeling techniques, behavioral modeling techniques, and other capabilities of the UML. There are many good reasons to learn and use the UML. Quite simply, the UML is the lingua franca of the information systems and technology industry. More formally, the UML is a general-purpose and industry-standard language that is broadly applicable and well supported by tools in today’s marketplace.
System development involves creating systems that satisfy requirements using a system development lifecycle process. Essentially, requirements represent problems to be addressed, a system represents a solution that addresses those problems, and system development is a problem-solving process that involves understanding the problem, solving the problem, and implementing the solution. Natural languages are used to communicate the requirements. Programming languages (and more broadly, technology-based implementation languages such as the Extensible Markup Language (XML), the Structured Query Language (SQL), Java, C#, and so forth) are used to communicate the details of the system. Because natural languages are less precise than programming languages, modeling languages (such as the UML) are used in a problem-solving process to bridge the chasm between the requirements and the system.
A general-purpose ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.