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Working Effectively with Legacy Code

18 April 2016 09:00 - 19 April 2016 17:00

Instructor

Michael is best known for his work on Working Effectively with Legacy Code, he is also a frequent invited speaker and well known in software development. For the first time in Thailand, we can learn directly from him without travelling to America. The following are the workshops we planned to organise while he is here.

Course Detail

Test Driven Development and Refactoring are powerful tools. With them you can add new code to systems and make existing code more maintainable. However, refactoring code without having tests in place can be hazardous. This class presents a collection of dependency breaking and test writing techniques that can be used to get existing code safely under test for refactoring. These techniques can be used in conjunction with Test Driven Development to breathe new life into large existing code bases. This class is structured as a set of lectures, discussions, and hands-on exercises.

Objectives

By the end of this course, you will:

  • Understand what legacy code is
  • Understand how to break dependencies in legacy code
  • Learn a variety of techniques for breaking external dependencies
  • Learn a variety of techniques for breaking internal dependencies
  • Understand when to employ each of the techniques
  • Learn a variety of strategies for code refactoring
  • Learn how to identify change points
  • Learn how to find an inflection point
  • Understand the concept of test coverage for inflection points
  • Understand how to write effective tests for legacy code

Course Outline

Day 1

  • Introduction / Testing as a Programmer’s tool
  • Seam identification
  • Breaking Dependencies – Sensing and Separation
  • Breaking Hidden and Manifest Dependencies
  • Characterization Testing
  • Refactoring Toward Understandability

Day 2

  • Strategies for Getting Large Methods under Test
  • Dealing with Deeply Nested Conditionals
  • Planning Large-Scale Refactoring and Technical Debt Reduction

Workshop Format

The format of the course is lecture, with team exercises and discussion.

Target Audience

This course is for developers. There will be extensive coding exercises. Participants should have experience in Java, C#, or C++.

What to bring?

A laptop computer with a Java, C#, or C++ programming environment. The exercises will translated into all of those languages.





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Odd-e (Thailand)

Odd-e is a company originally founded by Bas Vodde in 1999 in Amsterdam, Holland. At that time we provided help in software development projects. In 2001, Bas moved to China. Since 2005 Odd-e (now located in Singapore) provides training and coaching related to product development and agile development, lean development, quality management and Scrum.

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