我正在学习Kotlin ,我在谷歌上搜索了如何用Kotlin 创建一个班级.因此,我创建了下面的类作为测试. 在主活动中,我试图实例化来自类Board的对象,但得到以下错误:
classifier Board does not have a companion object
please let me know how to intantiate an object of an the class Board?
MainActivity:
class ActMain : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.layout_act_main)
Board board = new Board(name = "ABC");
}
}
Board.kt:
data class Board(val name: String) {
var age: Int = 0
}