Using the Iterator Pattern in Java for Better Collection Traversal
Java is an object-oriented programming language that supports various data structures such as arrays, lists, and maps. When working with collections, it’s essential to traverse them efficiently to perform operations such as searching, filtering, and sorting. The Iterator pattern is a popular design pattern used to traverse collections while decoupling the traversal algorithm from the collection implementation. In this article, we’ll explore how to use the Iterator pattern in Java for better collection traversal. Introduction to Iterator Pattern in Java The Iterator pattern is a behavioral design pattern that allows sequential access to the elements of a collection using a common interface. In Java, the Iterator interface is part of the java.util package and provides methods to traverse collections such as hasNext() and next(). The Iterator pattern decouples the iteration logic from the collection implementation, making it easier to change the implementation without affecting...