[英]Why my code unreachable?
我是Kotlin的新手,正在嘗試編寫家譜程序,但出現錯誤:
Warning:(30, 14) Kotlin: Parameter 'args' is never used
Warning:(32, 9) Kotlin: Unreachable code
我如何解決它?
data class Person(
val id: Int,
val name: String
) {
fun main(args: Array<String>) {
val person = Person(1, "Nikolay")
println("my name is ${person.name}")
}
}
我不知道如何使它工作。
哇,行得通!
data class Person(
val id: Int,
val name: String,
val gender: Int,
val father: Int,
val mother: Int,
val children: List<Int>,
val email: String,
val homepage: String,
val date_of_birth: String,
val date_of_death: String,
val is_living: Boolean,
val place_of_birth: String,
val place_of_death: String,
val cemetery: String,
val schools: List<String>,
val jobs: List<String>,
val work_places: String,
val places_of_living: String,
val general: String,
val default_picture: String
)
fun main(args: Array<String>) {
val person =Person(1, "Nikolay", 1, 10, 11, listOf(2), "mi@ya.ru",
"mishin.narod.ru", "07.02.1976",
"", true, "Moscow", "", "", listOf("780", "MIIT"),
listOf("luxoft", "lotus domino"),
"Nagornaya", "Buninskaya Alleya", "perl and kotlin programmer", "")
println("my name is ${person.name}")
}
還要問日期時間如何使用? 支持Kotlin嗎?
如果要在main方法中創建Person的新實例,則需要將main函數從類中移到包級別:
data class Person(
val id: Int,
val name: String
)
fun main(args: Array<String>) {
val person = Person(1, "Nikolay")
println("my name is ${person.name}")
}
現在您可以和Kotlin一起玩了。
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