Kotlin, Programming, Software Development, Functional Programming, Coding.
Student("102", "Bob", "Science") val studentsById = students.associateBy { it.id } // The resulting map would be: // {"101"=Student("101", "Eve", "History"), "102"=Student("102", "Bob", "Science")} In the above example, Eve overwrote Alice because they both have the ID "101". The resulting map only