Kotlin 为什么我的代码无法访问?
我是Kotlin的新手,正在尝试编写系谱程序,但我遇到了一个错误:Kotlin 为什么我的代码无法访问?,kotlin,Kotlin,我是Kotlin的新手,正在尝试编写系谱程序,但我遇到了一个错误: Warning:(30, 14) Kotlin: Parameter 'args' is never used Warning:(32, 9) Kotlin: Unreachable code 我怎么修理它 data class Person( val id: Int, val name: String ) { fun main(args: Array<String>) {
Warning:(30, 14) Kotlin: Parameter 'args' is never used
Warning:(32, 9) Kotlin: Unreachable code
我怎么修理它
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}")
}
}
我想不出如何使它工作
哇,真管用
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}")
}
但也有日期和时间的问题
如何使用它?
它是否支持Kotlin?如果要在main方法中创建Person的新实例,需要将主函数从类中移到包级别:
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}")
}
现在你可以玩Kotlin了。你想做什么?我试着用perl I用Plack编写一个geneology程序,从csv中读取日期并在浏览器中构建树,但我能在Kotlin中使用什么呢?春天