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16 lines
857 B
16 lines
857 B
[[kotlin-classes-interfaces]] |
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= Classes and Interfaces |
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:page-section-summary-toc: 1 |
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The Spring Framework supports various Kotlin constructs, such as instantiating Kotlin classes |
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through primary constructors, immutable classes data binding, and function optional parameters |
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with default values. |
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Kotlin parameter names are recognized through a dedicated `KotlinReflectionParameterNameDiscoverer`, |
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which allows finding interface method parameter names without requiring the Java 8 `-parameters` |
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compiler flag to be enabled during compilation. (For completeness, we nevertheless recommend |
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running the Kotlin compiler with its `-java-parameters` flag for standard Java parameter exposure.) |
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You can declare configuration classes as |
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{kotlin-docs}/nested-classes.html[top level or nested but not inner], |
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since the latter requires a reference to the outer class.
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