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Polish "Update Kotlin-related reference documentation" 

See gh-18573
This commit is contained in:
Andy Wilkinson 2019-10-14 11:41:03 +01:00
parent c6c9818285
commit 65818038fe
1 changed files with 6 additions and 10 deletions
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spring-boot-project/spring-boot-docs/src/main/asciidoc/spring-boot-features.adoc
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@ -7614,23 +7614,20 @@ In order to avoid mixing different versions of Kotlin dependencies on the classp
With Maven, the Kotlin version can be customized via the `kotlin.version` property and plugin management is provided for `kotlin-maven-plugin`.
With Gradle, the Spring Boot plugin automatically aligns the `kotlin.version` with the version of the Kotlin plugin.
Spring Boot also manages the version of Coroutines dependencies by importing Kotlin
Coroutines BOM, which can be customized via the `kotlin-coroutines.version` property.
Spring Boot also manages the version of Coroutines dependencies by importing the Kotlin Coroutines BOM.
The version can be customized via the `kotlin-coroutines.version` property.
TIP: `org.jetbrains.kotlinx:kotlinx-coroutines-reactor` dependency is provided by default
if one bootstraps a Kotlin project with at least one Reactive dependency on https://start.spring.io/#!language=kotlin[start.spring.io].
TIP: `org.jetbrains.kotlinx:kotlinx-coroutines-reactor` dependency is provided by default if one bootstraps a Kotlin project with at least one reactive dependency on https://start.spring.io/#!language=kotlin[start.spring.io].
[[boot-features-kotlin-configuration-properties]]
=== `@ConfigurationProperties`
`@ConfigurationProperties` when used in combination with `@ConstructorBinding` (see the
<<boot-features-external-config-constructor-binding,dedicated documentation>> for more details)
supports classes with immutable `val` properties as shown in the following example:
`@ConfigurationProperties` when used in combination with <<boot-features-external-config-constructor-binding,`@ConstructorBinding`>> supports classes with immutable `val` properties as shown in the following example:
[source,kotlin,indent=0]
----
@ConfigurationProperties("example.kotlin")
@ConstructorBinding
@ConfigurationProperties("example.kotlin")
data class KotlinExampleProperties(
val name: String,
val description: String,
@ -7650,8 +7647,7 @@ Note that some features (such as detecting the default value or deprecated items
[[boot-features-kotlin-testing]]
=== Testing
While it is possible to use JUnit 4 to test Kotlin code, JUnit 5 now provided by default
with Spring Boot is recommended.
While it is possible to use JUnit 4 to test Kotlin code, JUnit 5 is provided by default and is recommended.
JUnit 5 enables a test class to be instantiated once and reused for all of the class's tests.
This makes it possible to use `@BeforeClass` and `@AfterClass` annotations on non-static methods, which is a good fit for Kotlin.