| A single sorting sequence is provided by Comparable. To put it another way, we can sort the collection by a single attribute such as id, NAME, or price. | Multiple sorting sequences are available in the Comparator. To put it another way, we can sort the collection based on different criteria such as id, name, and price. |
| To sort elements, Comparable provides the compareTo() method. | To order elements, the Comparator provides the compare() method. |
| It is PRESENT in the java.lang package. | It is present in the java.util package. |
| The original class is affected by Comparable, i.e. the real class is changed. | The original class is UNAFFECTED by the comparator, i.e. the real class is unaffected. |
| The Collections.sort(LIST) method can be used to sort Comparable type list members. | The Collections.sort(List, Comparator) method can be used to sort the list components of the Comparator type. |
