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Add Kotlin recommendation #184

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Add a Kotlin recommendation
lincolnq Jun 14, 2018
550877d
Update README.md
lincolnq Jun 14, 2018
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Update README.md
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lincolnq authored Jun 14, 2018
commit 550877dba6b7415a83f505ec864a8fd198d77356
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Expand Up @@ -176,7 +176,7 @@ Note that from Android Studio 3.0, [Retrolambda is no longer required](https://d

Kotlin is a better language than Java. It will protect your code against large classes of runtime errors like NullPointerExceptions. It's easy to learn and it integrates with existing Java code effortlessly. All new modules should be written in Kotlin. There are few, if any, downsides.

**Idioms --** Take a couple hours to learn the essential Kotlin idioms:
**Idioms --** Take some time to learn the essential Kotlin idioms:

- **For null checking**, learn the *elvis operator*, *optional chaining* and *let blocks*. Each is powerful individually and they combine to shorten your code dramatically while doing the right thing in face of null values.
- **Extensions** allow you to add behavior to built-in or third-party classes, helping them combine fluently with your project-specific data.
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