class Configuration {
// companion object houses members that are shared across the class level
companion object {
// Private backing field acting as static property
private var environment: String = "production"
// A function acting like a static getter to safely access the property
fun getEnvironment(): String {
return environment
}
// A function acting like a static setter to modify the property with validation
fun setEnvironment(newEnv: String) {
if (newEnv.isNotBlank()) {
environment = newEnv
}
}
}
}
fun main() {
// 1. Accessing the static-like function/property directly via the Class Name (Best Practice)
println("Current Environment: ${Configuration.getEnvironment()}")
// 2. Modifying the static-like property via the companion object setter
Configuration.setEnvironment("staging")
println("Updated Environment: ${Configuration.getEnvironment()}")
}
/*
run:
Current Environment: production
Updated Environment: staging
*/
