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Sarabjit Kumar, Lovely Professional University Unit 12: Refactoring

Unit 12: Refactoring Notes

CONTENTS

Objectives
Introduction
12.1 Meaning of Refactoring
12.1.1 Refactoring Basic Examples
12.1.2 Bad Smells in Code
12.1.3 Documenting Refactoring
12.1.4 Basic Techniques behind Refactoring
12.1.5 Refactoring in Software Development Process
12.1.6 Benefits of Refactoring
12.1.7 Problems with Refactoring

12.1.8 A Critical View on Refactoring
12.2 Verification
12.3 Software Metrics
12.4 Size of Metrics
12.4.1 Verification Refactoring
12.5 Complexity Metrics Analysis
12.6 Summary
12.7 Keywords
12.8 Review Questions

12.9 Further Readings
Objectives

After studying this unit, you will be able to:
• Define meaning of refactoring
• Understand verification of refactoring

• Define software metrics
• Explain the size of metrics

• Define complexity metrics analysis
Introduction

Refactoring, as a software engineering method used to incrementally get better the design of
existing code, is being increasingly adopted in industrial software development.

Software refactoring is a key to agile software maintenance. It not only helps to locate bugs
additional easily, but, what is more important, to keep it readable and ready for changes. If
applied regularly, it benefits in shorter learning curve and simple accommodation of possible

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