Kotlin – Sort List of Objects with Comparable

Kotlin

104

list

16

sort

6

comparable

3

loveprogramming viết ngày 27/04/2021

https://grokonez.com/kotlin/kotlin-sort-list-objects-comparable

Kotlin – Sort List of Objects with Comparable

This tutorial shows you way to Sort List of Objects by Kotlin Comparable example.

Related posts:

• Kotlin – Compare Objects with Comparable Example
• Kotlin – Sort List of Objects with Kotlin Comparator Example
• Kotlin Sort Object List with Kotlin Selector function – crossinline selector: (T) -> R?

I. Technology

• Java 1.8
• Kotlin 1.1.2

  II. Overview

  1. Goal

  Sort list of three Date(year,month,day) objects.

  2. Steps to do

• Implement Comparable interface for the class of objects you want to sort.
• Override compareTo(other: T) method and:
• return zero if this object is equal other
• a negative number if it's less than other
• a positive number if it's greater than other
• Use sorted() method that returns a List.

  III. Practice

  1. Create Class for objects to be sorted

more at:

https://grokonez.com/kotlin/kotlin-sort-list-objects-comparable

Kotlin – Sort List of Objects with Comparable