Lecture 1 Introduction

Lecture 1 Introduction - CSE 111: Object Oriented Design...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
CSE 111: Object Oriented Design
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Design “To program is human but to design is divine” (WEH)
Background image of page 2
What is a Design? Different possibilities, e.g. Algorithmic strategy e.g. rate-monotonic scheduling strategy for a real time system Decomposition of a system modules with well-defined consistent interfaces Abstract function hierarchy abstract functions defined in terms of less abstract functions
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Design and Abstraction Design uses abstraction to create views that are comprehensible Vs the complete code for the program that cannot be comprehended all at the same time breaking down a system into pieces involves an abstract model that ties the pieces together
Background image of page 4
Why Design? Provides an overall picture of the system Allows us to focus on one thing at a time A harmonious, understandable design is our best hope for constructing a program that works Facilitates (design) reuse (NOT code reuse): transmission of expert knowledge
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
No Design? Possible for simple or small well- understood programs For complex systems: 85% phenomenon milestone 1: 50% done milestone 2: 75% done milestone 3: 85% done milestone 4: 85% done milestone 5: 85% done . ........
Background image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 19

Lecture 1 Introduction - CSE 111: Object Oriented Design...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online