Comparable and Comparator both are interfaces and can be used to sort collection elements.
But there are many differences between Comparable and Comparator interfaces that are given below.
|1) Comparable provides single sorting sequence. In other words, we can sort the collection on the basis of single element such as id or name or price etc.||Comparator provides multiple sorting sequence. In other words, we can sort the collection on the basis of multiple elements such as id, name and price etc.|
|2) Comparable affects the original class i.e. actual class is modified.||Comparator doesn’t affect the original class i.e. actual class is not modified.|
|3) Comparable provides compareTo() method to sort elements.||Comparator provides compare() method to sort elements.|
|4) Comparable is found in java.lang package.||Comparator is found in java.util package.|
|5) We can sort the list elements of Comparable type by Collections.sort(List) method.|