Collections in Java

The Set interface provides methods for accessing the elements of a finite mathematical set. Sets do not allow duplicate elements. The Set interface in Java is a part of the Java Collections Framework and is part of the java.util package. It extends the Collection interface and represents a collection of unique elements. Unlike a List, a Set … Read more

The Iterator interface is used to step through the elements of a Collection. The Iterator is an interface, used to traverse through the elements of a Collection. It is not advisable to modify the collection itself while traversing an Iterator. In Core Java, the Iterator interface is a part of the Java Collections Framework and is used … Read more

The List interface provides support for ordered collections of objects. The List interface in Java is a part of the Java Collections Framework and is located in the java.util package. It extends the Collection interface and represents an ordered collection of elements. Unlike sets, lists typically allow duplicate elements. Some key characteristics of the List interface include: … Read more

Set stores elements in an unordered way but does not contain duplicate elements, whereas list stores elements in an ordered way but may contain duplicate elements. In Core Java, a set and a list are both interfaces in the Java Collections Framework, and they represent different types of collections with distinct characteristics. List: Ordering: Lists … Read more