Comparator:- Comparator interface found in java.util package and it contains equals() and compare() method. It use the multiple sorting technique to write our own comparison logic and is used to sort ...

Here I am writing a simple way to use Comparator interface. We use Comparator interface to order the objects. First of all we need to import java.util package. It ...

Comparable affects the original class, i.e., the actual class is modified. Comparator doesn't affect the original class, i.e., the actual class is not modified. Comparable provides compareTo() method ...

Comparable and comparator both are an interface that can be used to sort the elements of the collection. Comparator interface belongs to java.util package while comparable belongs to java.lang package ...

Very soon we’ll talk about the details of sorting algorithms, but before that let’s look at how Java’s built-in library handles sorting. In this set of notes, we’ll look at sorting arrays, sorting ...

The Comparable interface is simple because it only has one method; however, implementing the compareTo method can become tedious if you need to sort your object by multiple properties (especially if ...