Iterator and AVAIterator in AVA
Iterator pattern (Iterator pattern) I. Introduction iteration is a perfect concept for Java beginners. We often use the iterative interface provided by JDK to traverse java collections: Iterator it = list. iterator ();
Programming idea iterator
What is an iterator?
Iterator is a mechanism for Traversing elements in one or more containers in a certain order. for example, a for loop is the simplest Iterator, traversing an array is also an iterative process. GOF
Es6 notes 5 ^_^ set, map, iterator, es6iteratorI. set1. basic usage
The data structure Set is similar to an array, but the Member values are unique without repeated values.
Let s = new Set (); [2, 3, 5, 4, 5, 2]. map (x => s. add (x) for (let I of s)
One iterator interface An iterator is a design pattern that is an object that can traverse and select objects in the sequence, and the developer does not need to know the underlyingStructure. Iterators are often referred to as "lightweight" objects
I. OverviewProvides a way to access the aggregation object (container container) without exposing the object's internal details.Second, the application scenario1> iterates through the elements in the aggregation object without exposing its content
Iterator usage and generator usage
What is an iterator?
Iterator is a mechanism for Traversing elements in one or more containers in a certain order. for example, a for loop is the simplest Iterator, traversing an array is also an iterative process.
Iterators (iterator)An object that represents the data stream. Repeated calls to the iterator's__next__()Method (or pass the built-in function to it (built-in functions)next()) to return a successor in the stream. When no data is available, it
One.We complete the top-level interface of the set framework collection the common method of learning, ready to put the elements stored in the collection collection to take it out, because the purpose is to facilitate the use of elements to remove.
Iterator Pattern)1. What is the iterator mode? The iterator is used to encapsulate the traversal details of the Set object, so that the caller can use a unified interface to implement the traversal iterator of the set object. It also provides some
Traversing the list in Java will use the Java-provided Iterator, Iterator is very useful, because:An iterator is a design pattern that is an object that can traverse and select objects in a sequence, and the developer does not need to know the
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.