"message":"Could not generate CGLIB subclass of class com.example.demo.functions.MyFunctions$kotlinSupplier2$1: Common causes of this problem include using a final class or a non-visible class; nested exception is java.lang.IllegalArgumentException: Cannot subclass final class com.example...
默认情况下,在Kotlin中,类是final类,不能子类化(被继承),只允许继承abstract class 或者被关键字open标记的class abstract class abstractclassDwelling(privatevarresidents:Int){abstractvalbuildMaterial:Stringabstractvalcapacity:IntfunhasRoom():Boolean{returnresidents<capacity}} Subclass(子类) classRoundHut(residents...
DefaultConstructorMarker $constructor_marker) {this(times);}// subclass:objectpublic static final class Start extends GameAction {@NotNullpublic static final GameAction.Start INSTANCE;private Start() {super(1, (DefaultConstructorMarker)null);}static {GameAction.Start var0 = new GameAction...
open class SubClass : Base{ constructor(type:String) : super(type){ } final override fun doSomething() { super.doSomething() } } 7.6.2 多重继承有些编程语言支持一个类拥有多个父类,例如C++。 我们将这个特性称之为多重继承(multiple inheritance)。多重继承会有二义性和钻石型继承树(DOD:Diamond...
There’s no limit to the depth of subclassing, meaning you can subclass from a class that is also a subclass, like below (and first redefining Student with open):open class Student( firstName: String, lastName: String, var grades: MutableList<Grade> = mutableListOf<Grade>() ) : Person(...
'public' subclass exposes its 'internal' supertype XXX 说回其最重要的特性:模块可见,指的是 internal 修饰的对象只在相同模块内可见、其他 module 无法访问。而 module 指的是编译在一起的一套 Kotlin 文件,比如: 一个IntelliJ IDEA 模块; 一个Maven 项目; ...
and multiple initialization scenarios are possible for different objects of a single class. by lazy { ... }, in turn, defines the only initializer for the property, which can be altered only by overriding the property in a subclass. If you want your property to be initialized from outside...
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:598)...15common frames omittedCausedby:java.lang.IllegalArgumentException:Cannotsubclassfinalclasscom.wansensoft.service.role.KtSysRoleMenuRelServiceImplat org.springframework.cglib...
‘public’ subclass exposes its ‘internal’ supertype XXX 说回其最重要的特性:模块可见,指的是 internal 修饰的对象只在相同模块内可见、其他 module 无法访问。而 module 指的是编译在一起的一套 Kotlin 文件,比如: 一个IntelliJ IDEA 模块; 一个Maven 项目; ...
The three double-quotes signify that this is a multi-line string. Handily, the first and final new lines do not become part of the string. This makes it more flexible as you don’t have to have the three double-quotes on the same line as the string. ...