public class TextMessage {
public String msgtype;
public Map<String, String> text;
}
class TextMessage {
var msgtype: String? = null
var text: Map<String, String>? = null
}
27.2.1. 枚举
// 定义简单枚举
enum class Direction {
NORTH, SOUTH, EAST, WEST
}
// 使用枚举
fun main() {
val direction = Direction.NORTH
println(direction) // 输出：NORTH
// 遍历所有枚举值
for (d in Direction.values()) {
println(d)
}
}
