Kotlin
モダンな Android 開発。
Kotlin is the language Google recommends for Android, and it runs everywhere Java runs. It is concise, protects you from null crashes and works side by side with Java code. This course starts from zero with Kotlin 2: values and string templates, null safety, if and when expressions, ranges and loops, functions with default and named arguments, then classes and data classes, collections and lambdas, extension functions, a gentle first look at coroutines and a glimpse of Jetpack Compose.
Every lesson is short and packed with quizzes, so you learn by doing.
- レッスン
- 14
- 時間
- 2 時間
- レベル
- 初級
このコースのレッスンは、現在英語のみです。
- ブロンズ 挑戦可
- シルバー 挑戦可
- ゴールド ロック
実力を証明しますか？
ブロンズ、シルバー、ゴールドの 3 つの試験が待っています。
できるようになること
- Write and run Kotlin programs with val, var and string templates
- Handle missing values safely with nullable types,
?.and?: - Write clear functions with default and named arguments
- Model data with data classes and transform collections with
filter,mapandgroupBy - Understand coroutines and read a simple Jetpack Compose screen
学習の道のり
1 第 1 章Kotlin basics
Your first program, val and var, null safety, when, ranges and functions.
0 / 52 第 2 章Classes and collections
Data classes, collections and lambdas, coroutines and a first Compose screen.
0 / 53 第 3 章Next steps
A full Android app, Kotlin Flow, server-side Kotlin and shared code.
0 / 4