configured instance val service = context.getBean("petStore") // use configured instance var userList = service.getUsernameList() With Groovy configuration, bootstrapping looks very similar. // a late-initialized property so that the Spring container can inject a MovieFinder lateinit var movieFinder: MovieFinder // business logic that actually uses the injected MovieFinder is omitted this.i = i; } } Kotlin class ExampleBean { lateinit var beanOne: AnotherBean lateinit var beanTwo: YetAnotherBean var i: Int = 0 } In the preceding example, setters are declared to

@RecordApplicationEvents ① class OrderServiceTests { @Autowired lateinit var orderService: OrderService @Autowired lateinit var events: ApplicationEvents ② @Test fun submitOrder() { the ApplicationContext. Kotlin @SpringJUnitConfig class MyTest { @Autowired ① lateinit var applicationContext: ApplicationContext // class body... } 54 ① Injecting the ApplicationContext WebApplicationContext. Kotlin @SpringJUnitWebConfig ① class MyWebAppTest { @Autowired ② lateinit var wac: WebApplicationContext // class body... } ① Configuring the WebApplicationContext. ② Injecting

MyProperties { var isEnabled = false var remoteAddress: InetAddress? = null val security = Security() class Security { var username: String? = null var password: String String? = null var roles: List = ArrayList(setOf("USER")) } } The preceding POJO defines the following properties: • my.service.enabled, with a value of false by default. • my.service ConfigurationProperties @ConfigurationProperties(prefix = "my.main-project.person") class MyPersonProperties { var firstName: String? = null } With the preceding code, the following properties names can all be used:

MyProperties { var isEnabled = false var remoteAddress: InetAddress? = null val security = Security() class Security { var username: String? = null var password: String String? = null var roles: List = ArrayList(setOf("USER")) } } The preceding POJO defines the following properties: • my.service.enabled, with a value of false by default. • my.service ConfigurationProperties @ConfigurationProperties(prefix = "my.main-project.person") class MyPersonProperties { var firstName: String? = null } With the preceding code, the following properties names can all be used:

MyProperties { var isEnabled = false var remoteAddress: InetAddress? = null val security = Security() class Security { var username: String? = null var password: String String? = null var roles: List = ArrayList(setOf("USER")) } } The preceding POJO defines the following properties: • my.service.enabled, with a value of false by default. • my.service ConfigurationProperties @ConfigurationProperties(prefix = "my.main-project.person") class MyPersonProperties { var firstName: String? = null } With the preceding code, the following properties names can all be used:

MyProperties { var isEnabled = false var remoteAddress: InetAddress? = null val security = Security() class Security { var username: String? = null var password: String String? = null var roles: List = ArrayList(setOf("USER")) } } The preceding POJO defines the following properties: • my.service.enabled, with a value of false by default. • my.service ConfigurationProperties @ConfigurationProperties(prefix = "my.main-project.person") class MyPersonProperties { var firstName: String? = null } With the preceding code, the following properties names can all be used:

MyProperties { var isEnabled = false var remoteAddress: InetAddress? = null val security = Security() class Security { var username: String? = null var password: String String? = null var roles: List = ArrayList(setOf("USER")) } } The preceding POJO defines the following properties: • my.service.enabled, with a value of false by default. • my.service ConfigurationProperties @ConfigurationProperties(prefix = "my.main-project.person") class MyPersonProperties { var firstName: String? = null } With the preceding code, the following properties names can all be used:

MyProperties { var isEnabled = false var remoteAddress: InetAddress? = null val security = Security() class Security { var username: String? = null var password: String String? = null var roles: List = ArrayList(setOf("USER")) } } The preceding POJO defines the following properties: • my.service.enabled, with a value of false by default. • my.service ConfigurationProperties @ConfigurationProperties(prefix = "my.main-project.person") class MyPersonProperties { var firstName: String? = null } With the preceding code, the following properties names can all be used:

MyProperties { var isEnabled = false var remoteAddress: InetAddress? = null val security = Security() class Security { var username: String? = null var password: String String? = null var roles: List = ArrayList(setOf("USER")) } } The preceding POJO defines the following properties: • my.service.enabled, with a value of false by default. • my.service ConfigurationProperties @ConfigurationProperties(prefix = "my.main-project.person") class MyPersonProperties { var firstName: String? = null } With the preceding code, the following properties names can all be used:

MyProperties { var isEnabled = false var remoteAddress: InetAddress? = null val security = Security() class Security { var username: String? = null var password: String String? = null var roles: List = ArrayList(setOf("USER")) } } The preceding POJO defines the following properties: • my.service.enabled, with a value of false by default. • my.service ConfigurationProperties @ConfigurationProperties(prefix = "my.main-project.person") class MyPersonProperties { var firstName: String? = null } With the preceding code, the following properties names can all be used: