This is down to how these types are treated when the code runs in the JVM. Q: Can I use lateinit with any type of property?Ī: You can only use lateinit with properties defined using var, and you can’t use it with any of the following types: Byte, Short, Int, Long, Double, Float, Char or Boolean. Q: What happens if I try to use a property value before it’s been initialized?Ī: If you don’t initialize a property before you try and use it, you’ll get a runtime error when you run the code. In general, however, we strongly encourage you to initialize your properties. If you wanted to mark the temperament property for late initialization, for example, you’d use: lateinit var temperament: Stringĭoing so allows the compiler to compile your code. This tells the compiler that you’re aware that the property hasn’t been initialized yet, and you’ll handle it later. Is there a way of not initializing class properties in Kotlin?Ī: If you’re completely certain that you can’t assign an initial value to a property when you call the class constructor, you can prefix it with lateinit.
Controlling mapping result for 'null' properties in bean mappings (update mapping methods only). Controlling mapping result for 'null' collection or map arguments
Controlling mapping result for 'null' arguments Implementation types used for collection mappings Mapping method selection based on qualifiers Passing context or state objects to custom methods Passing the mapping target type to custom mappers The Mappers factory (no dependency injection) Mapping nested bean properties to current target
Mapping methods with several source parameters Using MapStruct with the Java Module System
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