What is Collection in Java?
In Java, a collection is an object that can contain references to other objects. It is generally used to define a set of individual objects as a single unit. The collection interfaces display the functions that can be executed on each type of collection. Both interfaces and classes of the collections framework are present in the package java.
Syntax of Collection:
public interface Collection extends Iterable
What are Collections in Java?
The collections class in java defines a utility class. It resides in the java.util package. It represents several utility techniques like sorting and searching, which are utilised to operate on collection. It comprises all the static methods. And, these techniques allow the developers to actually work with the collection framework.
Syntax of Collections:
public class Collections extends Object
Difference between Collection and Collections in Java
| S.No. | Collection in Java | Collections in Java |
|---|---|---|
| 1. | In Java, collection is an interface. | In Java, collections is a utility class. |
| 2. | It showcases a set of individual objects as a single unit. | It represents multiple utility processes and methods that are utilised to operate on collection. |
| 3. | This interface includes a static method since java8. It can also have both default and methods. | It only includes static methods. |
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