Iris Hunkeler
Why Kotlin is the better Java and how you can start using it
#1about 6 minutes
A high-level comparison of Kotlin and Java
Kotlin was designed to be a better, more modern language than Java while remaining fully interoperable.
#2about 5 minutes
Eliminating null pointer exceptions with null safety
Kotlin's type system distinguishes between nullable and non-nullable types at compile time to prevent null pointer exceptions.
#3about 6 minutes
Reducing boilerplate code with Kotlin data classes
Data classes automatically generate getters, setters, equals(), hashCode(), and toString() methods to simplify POJOs.
#4about 5 minutes
Adding new functionality with extension functions
Extension functions allow you to add new methods to existing classes without inheriting from them, avoiding utility classes.
#5about 6 minutes
Simplifying code with string templates and smart casts
String templates provide intuitive string formatting, while smart casts automatically handle type casting after an `is` check.
#6about 5 minutes
Understanding Java's remaining unique language features
Java still has features not present in Kotlin, such as checked exceptions, primitive types, and wildcard types.
#7about 5 minutes
Achieving interoperability between Java and Kotlin code
Kotlin and Java code can coexist and call each other within the same project, though with some limitations like null safety.
#8about 4 minutes
Practical resources for getting started with Kotlin
Developers can learn Kotlin through interactive exercises like Kotlin Koans, books, and by building backend or Android applications.
#9about 9 minutes
Q&A: Migrating projects and convincing your team
Migrating a Spring Boot project can be done incrementally, and convincing a team involves focusing on long-term benefits like code stability.
#10about 8 minutes
Q&A: Comparing Kotlin's ecosystem and future outlook
While Java's community is larger, Kotlin leverages the same JVM ecosystem and is unlikely to be fully matched by Java due to legacy constraints.
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Matching moments
00:02 MIN
Introduction to Kotlin and its Java interoperability
Route from Java to Kotlin
00:05 MIN
An introduction to Kotlin and its Java interoperability
Moving from Java to Kotlin
19:30 MIN
Making the business case for adopting Kotlin
Moving from Java to Kotlin
21:55 MIN
A practical guide to gradual Kotlin adoption
Moving from Java to Kotlin
46:13 MIN
Audience Q&A on Kotlin features and learning resources
Route from Java to Kotlin
26:36 MIN
Strategies for successful company-wide adoption
Moving from Java to Kotlin
02:53 MIN
Modern object orientation with Kotlin data classes
Moving from Java to Kotlin
00:19 MIN
An introduction to building a friendly SDK for an API
Building a Friendly Kotlin SDK to Connect to JetBrains Space
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