# Learning from the legacy code

DevFeed: [Learning from the legacy code](<https://devfeed.tech/articles/learning-from-the-legacy-code-27272.md>)

Original publisher: [Read original article](<https://blog.pchudzik.com/201706/learning-from-legacy/>)

Published: 2017-06-27T00:00:00Z

Content type: opinion

Language: en

Sources: [Paweł Chudzik](<https://devfeed.tech/sources/pawe-chudzik.md>)

Topics: [legacy](<https://devfeed.tech/topics/legacy.md>), [Learning](<https://devfeed.tech/topics/learning.md>), [Software](<https://devfeed.tech/topics/software.md>), [Code](<https://devfeed.tech/topics/code.md>)

Tags: [learning](<https://devfeed.tech/tags/learning.md>), [legacy](<https://devfeed.tech/tags/legacy.md>), [legacy-code](<https://devfeed.tech/tags/legacy-code.md>), [patterns](<https://devfeed.tech/tags/patterns.md>), [software](<https://devfeed.tech/tags/software.md>)

## AI overview

This opinion piece argues that developers can learn from well-designed legacy code instead of avoiding older applications. It recommends studying enduring patterns, classes, testing, and the reasoning behind past design decisions while adapting old solutions rather than reusing them unchanged.

## Source excerpt

We all love to write new stuff and learn about things. But when we've got to do something in one of the older applications we'd rather avoid it and lag as long as possible hoping that someone else will handle it. You shouldn't be afraid of legacy code (as long it is not ball of mud). You should take the opportunity to look into the past, and learn from it as much as possible. Read more