17/11/02 02:41:34.42 LsnbbfZc.net
>>9
class Person(val age: Int, val name: String) { }
val mlist: MutableList<Person> = mutableListOf( );
mlist.add(Person(25, "Tom"));
mlist.add(Person(25, "Dave"));
mlist.add(Person(20, "Kate"));
mlist.add(Person(20, "Alice"));
val sortedList = mlist.sortedWith(compareBy({ it.age }, { it.name }))
sortedList.forEach {
println("${it.age} : ${it.name}")
}
出力
20 : Alice
20 : Kate
25 : Dave
25 : Tom