When a user works with a for loop, they cannot add or remove the collection. Java iterator is available since Java 1.2 collection framework. The Collection interface extends Iterable interface that is present at the top of the collection hierarchy. NA. A bit clearer on what you're trying to do. Method; import java.util.Iterator; public class Main { private static Iterator<?> invokeIteratorCallable(String callableClassName, ClassLoader cl) . Iterator takes the place of Enumeration in the Java Collections Framework. By using an enumeration, we can perform only read access but using an iterator, we can perform both read and remove operation. Java Iterator is an interface that is practiced in order to iterate over a collection of Java object components entirety one by one. Accessing elements through Iterators will not lead to run-time exceptions. Please mail your requirement at [emailprotected] Duration: 1 week to 2 week. Before going to each kind of iteration, suppose that we have a List collection as follows: 1. It belongs to java.util package. Java Iterator consists 4 methods : All rights reserved. How to Create Immutable Class in Java, 18. Have the loop iterate as long as hasNext ( ) returns true. In comparison with the Spliterator, Java Iterator does not support more reliable execution to traverse the bulk volume of data. An iterator in Java is a special type of object that provides sequential (one by one) access to the elements of a collection object. This method returns an instance of iterator used to . Therefore, to use an Iterator, you must import either java.util.Iterator or java.util.*. . Every collection class has iterator methods to cycle through the collection, obtain or remove elements. They are as follows: Below is the example of Iterator in Java: In a list of elements, an iterator can fetch information only on the existing elements. Developed by JavaTpoint. Iterator takes the place of Enumeration in the Java Collections Framework. public static void main (String [] args) Whereas the iterable interface in Java was introduced in Java version 5. An iterator is an object that has methods that allow you to proccess a collection of items one at a time. Object next (): It returns the next element in the collection until the hasNext ()method return true. Can virent/viret mean "green" in an adjectival sense? 2. public Object next(): The next() method return next element in the collection. After that, the list is traversed to represent each element. For example, suppose there are five mangoes in a box. It represents a data structure that can be iterated over. It contains a total of four methods that are: The forEachRemaining() method was added in the Java 8. How do I read / convert an InputStream into a String in Java? Calling of hasNext() and next() method will be continued until the pointer moves to the last element. But still not clear where you're stuck. everything i try isn't really doing anything. Syntax: Parameter: No parameters. The Java Iterator also helps in the operations like READ and REMOVE. import java.util. Why is it so much harder to run on a treadmill when not holding the handlebars? Store User-defined Class Objects in ArrayList, 2. When to use LinkedList over ArrayList in Java? Now it's time to execute a Java program to illustrate the advantage of the Java Iterator interface. By using Iterator, we can perform both read and remove operations. Daemon Thread in Java | How to Create it, 19. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. ALL RIGHTS RESERVED. Exception Handling in Java | Realtime Examples, 6. The java. In Java Iterator, we can use both of the read and remove operations. Have the loop iterate as long as hasNext ( ) returns true. The Java Iterator interface represents a component that can iterate the elements of a Java collection. All rights reserved. In comparison with the Spliterator, Java Iterator does not support traversing elements in the parallel pattern which implies that Java Iterator supports only Sequential iteration. It cannot be used to backtrace an element. Asking for help, clarification, or responding to other answers. Ready to optimize your JavaScript with Rust? In Java, Collection is an interface that contains different data types such as ArrayList, Set, etc. The purpose of the iterator method is probably to provide the stuff necessary for use with the for statement. It will give false if all the elements have been iterated. They are as: To overcome the above drawbacks, we should use the ListIterator concept. Return Value: The method iterates over the elements of the set and returns the values (iterators). When we create an iterator for the collection elements, the iterator looks like the following. An Iterator is an interface that is used to fetch elements one by one in a collection. We cannot move in the backward direction. MOSFET is getting very hot at high frequency PWM. All the Java collections include an iterator () method. I want to be able to quit Finder but can't edit Finder's Info.plist after disabling SIP, Obtain closed paths using Tikz random decoration on circles, central limit theorem replacing radical n with n. Why is this usage of "I've to work" so awkward? Developed by JavaTpoint. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Java Iterator Example. Is Energy "equal" to the curvature of Space-Time? To loop through a collection, use the hasNext() and next() methods of the Iterator: Example while(it.hasNext()) { System.out.println(it.next()); } By signing up, you agree to our Terms of Use and Privacy Policy. It will give false if all the elements have been iterated. Iterator interface provides the following methods: boolean hasNext() - Returns true if the iteration has more elements. The method names in Java Iterator are easy and simple to use. Java ArrayList Iterator() method. An Iterator is an object that can be used to loop through collections, like ArrayList and HashSet. Access the iterator method using the Collection object. This is because an iterator is an interface of the util package. In this article, we will learn how the Iterator's remove() method and the Collection's remove() method works differently. To use Iterators, you need to import Java.util. Iterator is a universal iterator as it can be applied to any Collection object. How do I convert a String to an int in Java? Then we initialize an iterator applying the iterator () method of the ArrayList. Method names have been improved. Hope that this tutorial has covered all important points related to iterator in Java with example program. Received a 'behavior reminder' from manager. In Java, an Iterator is one of the Java cursors. ArrayList Class and its Methods with Examples, 8. Java Iterator interface succeeds the enumerator iterator that was practiced in the beginning to traverse over some accessible collections like the ArrayLists. Working of Iterator in Java. The iterator method returns an iterator over the elements in this collection. Iterable Interface. A small bolt/nut came off my mtn bike while washing it, can someone help me identify it? When a user needs to use the Java Iterator, then it's compulsory for them to make an instance of the Iterator interface from the collection of objects they desire to traverse over. Example 1 Test it Now. It shifts towards index 0. Making statements based on opinion; back them up with references or personal experience. We cannot perform the replacement of new objects. Therefore, it will crash or throw an exception if tried to access an element that is not present in the next iteration. Iterator in Java is used to traverse each and every element in the collection. We will use the Iterator concept to traverse all elements in the ArrayList. They are as follow: 1. public boolean hasNext(): This method will return true if the iteration has more elements to traverse (iterate) in the forward direction. The advantages of Java Iterator are given as follows -, Despite the numerous advantages, the Java Iterator has various disadvantages also. What is an iterator in Java? Thread Pool | Executor, ExecutorService, Example, 21. Iterator design pattern in one of the behavioral pattern. JavaTpoint offers college campus training on Core Java, Advance Java, .Net, Android, Hadoop, PHP, Web Technology and Python. As the name suggests, an iterator in Java iterates through a collection of objects. 2022 - EDUCBA. The oldest Iterator in the Java programming language is the Enumerator predated Iterator. All rights reserved. So it is also know as Uni-Directional Cursor. Returns: This method returns an iterator over the elements in this deque in a proper sequence. THE CERTIFICATION NAMES ARE THE TRADEMARKS OF THEIR RESPECTIVE OWNERS. This interface is a member of the Java Collections Framework. Why does my stock Samsung Galaxy phone/tablet lack some features compared to other Samsung Galaxy models? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Then it gets an iterator using the iterator () method of the ArrayList. Next ListIterator Interface in Java, 1. Return Statement in Try Catch Finally Block, 16. Hence, these are called single-direction cursors. The iterable interface is present in java.lang.Iterable package. Java Iterator Interface of java collections allows us to access elements of the collection and is used to iterate over the elements in the collection(Map, List or Set).It helps to easily retrieve the elements of a collection and perform operations on each element. Set up a loop that makes a call to hasNext ( ). Java Iterator is a collection framework interface and it is part of the java.util package. If a user is working with a for loop, they cannot modernize(add/remove) the Collection, whereas, if they use the Java Iterator, they can simply update the Collection. JavaTpoint offers college campus training on Core Java, Advance Java, .Net, Android, Hadoop, PHP, Web Technology and Python. The following program creates an ArrayList of flowers. Iterator. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. 4. To learn more, see our tips on writing great answers. An Iterator is an object that can be used to loop through collections, like ArrayList and HashSet. . Find centralized, trusted content and collaborate around the technologies you use most. Synchronized Method in Java with Example Program, 16. Why is the unit test more difficult than the working code in. With an iterator, you can modify these collection classes while traversing. The Java Iterator also supports the operations like READ and REMOVE. The Java Iterator is an interface added in the Java Programming language in the Java 1.2 Collection framework. They are as follows: Iterator has the following limitations or drawbacks. Iterators differ from enumerations in two ways: Iterators allow the caller to remove elements from the underlying collection during the iteration with well-defined semantics. Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content. The Java Iterator is an interface added in the Java Programming language in the Java 1.2 Collection framework. It does not allow modification of the structure of the element being iterated as it stores its position. WeakHashMap in Java | Methods, Example, 6. Iterator interface provides methods for traversing through a collection. 2. Obtain an iterator to the start of the collection by calling the collection's iterator ( ) method. On call of next() method, it will return the next element from the collection and will set the Iterator object to the next element on the next call of this method. The below code produces an ArrayList of city names. We can traverse only in the forward direction using . 1. Introduction to Collection's remove() Method. When the pointer reached the last element of the ArrayList then the call to the hasNext() method will return false and the call to next() method will give an exception named NullPointerException. An Iterator object implements Iterator interface which is present in java.util.Iterator package. Iterators have 4 methods in Java that are used to traverse through collections and retrieve the required information. Obtain an iterator to the start of the collection by calling the collection's iterator ( ) method. The specified index indicates the first element that would be returned by an initial call to next. Then we might be able to help. ListIterator extends Iterator to allow bidirectional traversal of a list, and the modification of elements. It is one of the Java Cursors that are practiced to traverse the objects of the collection framework. Iterators differ from enumerations in two ways: Iterators allow the caller to remove elements from the underlying collection during the iteration with well-defined semantics. In this tutorial, we will learn about the Java Iterator interface with the help of an example. Example 1 How do I efficiently iterate over each entry in a Java Map? In this article we are going to see the use of Java LinkedList iterator() method along with suitable examples. "if I have the list [2,3,5,7,11] and I search for 7, it should return 3", "if I have the list [2,3,5,7,11] and I search for 6, it should return -1". The collection API implements the iterator () method, and hence data can be retrieved from interfaces like Map, List, Queue, Deque, and Set, which are all implemented from the collection framework. Top String Programs in Java for Interview Practice. In simple words, it is an object that allows us to get and process one element at a time. An iterator in Java is a special type of object that provides sequential (one by one) access to the elements of a collection object. Iterator in Java became very prevalent due to its numerous advantages. It can iterate over various variables concurrently by holding each variables state of iteration separately. But the tests should cover all possibilities. Again hasNext() method will be called to check that elements are present for iteration. Java Iterator has the following advantages. Thanks for reading!!! When would I give a checkpoint to my D&D party that they can return to if they die? The general syntax of iterator() method is as follows: Iterator object can be created by calling iterator() method which is present in the iterable interface. It's very similar to how you iterate over a map to print all key-value pair. Both are useful to retrieve elements from a collection. It is introduced in Java 1.2 Collections Framework. Overview. How do I generate random integers within a specific range in Java? Start by explaining what you're trying to do. ArrayList Interview Programs for Practice, 10. LinkedHashSet in Java | Methods, Example, 4. It is introduced in Java 1.2 Collections Framework. In general, to use an iterator to cycle through the contents of a collection, follow these steps . Iterator interface defines three methods as listed below: 1. hasNext (): Returns true if the iteration has more elements. The following figure perfectly displays the class diagram of the Java Iterator interface. Using it, traverse, obtain each element or you can even remove. collection is the collection objects name. I have omitted constructor, getter and setter, and essential methods like equals(), hashcode() . It belongs to java.util package. Synchronized Block in Java | Example Program, 18. 3. In general, to use an iterator to cycle through the contents of a collection, follow these steps . 65+ Top Exception Handling Interview Questions Answers, 2. Why would Henry want to close the breach? We can perform both read and remove operations. Iterable interface belongs to the java.lang package. Connect and share knowledge within a single location that is structured and easy to search. Lets create one more program for the practice where we will iterate all the elements in the ArrayList using iterator() method. If the user modifies the underlying collection while traversing over an Iterator leading to that collection, then the Iterator will typically acknowledge it and will throw an exception in the next time when the user will attempt to get the next component from the Iterator. 2. The Java Iterator is considered the Universal Cursor for the Collection API. Should I give a brutally honest feedback on course evaluations? Return. It belongs to java.util package. To use an Iterator, you must import it from the java. I'm not sure what to place in iterators place. Java IdentityHashMap | Methods, Example, 11. Below the iterator is the name of an object created by calling iterator() method of collection interface. util package. Look at the below picture to understand how elements are iterating in the above program. 2. Iterator pattern is used to provide a standard way to traverse through a group of Objects. The ArrayList.Iterator returns an iterator over the elements in this list. But the main difference between Enumeration and iterator is with respect to functionality. The collection API implements the iterator() method, and hence data can be retrieved from interfaces like Map, List, Queue, Deque, and Set, which are all implemented from the collection framework. Thread Class and Thread Methods in Java, 4. E next() - Returns the next element in the iteration. An initial call to previous would return the element with the specified index minus one. They are as follow: 1. public boolean hasNext(): This method will return true if the iteration has more elements to traverse (iterate) in the forward direction. In this tutorial, we'll look at the usage of Iterable and Iterator interfaces in Java and the differences between them. Exception Handling Interview Programs for Practice, 17. How to connect 2 VMware instance running on same Linux host machine via emulated ethernet cable (accessible via mac address)? You can obtain a Java Iterator from a Java List, Java . Disconnect vertical tab connector from PCB. Top 57 String Interview Questions with Answers, 19. Iterators are the most commonly used method to retrieve elements from the collection interface. Though Java Iterator was introduced in Java 1.2, however, it is still not the oldest tool available to traverse through the elements of the Collection object. Iterator in Java is used in the Collections Framework to retrieve elements sequentially (one by one). While iterating through a set of elements and fetching them by this method. Methods of Iterator Interface in Java. The Iterable interface provides a method that produces an Iterator. 5. Look at the source code of a simple program. Java LinkedList iterator() Method with Examples. util package. If they use Java Iterator, they can update the Collection. It is one of the Java Cursors that are practiced to traverse the objects of the collection framework. That's all about how to iterate over JSONObject in Java to print all keys and values. Then explain where you're stuck. Really "left" and "right" have no meaning in an array. The user can apply these iterators to any of the classes of the Collection framework. Java Iterator. Creating Threads in Java | How to Create Thread in Java, 12. We can perform either read operation or remove operation. Iterator<Type> iterator_variable = collectionObject.iterator (); where Iterator is the interface, Type is the data type (String, Integer), iterator_variable is the variable name, collectionObject . Iterator Interface has three methods as hasNext, next, and remove. Here is full main class which works, all it does is searching through array and returns index of the given number: public class Main { public static void main (String [] args) { final List<Integer> numbers = Arrays.asList (3, 4, 6, 1, 9); final Integer x = Integer.valueOf (1); System.out.println (findSame (numbers.iterator (), x, 0)); } public . Mail us on [emailprotected], to get more information about given services. The replacement and extension of a new component are not approved by the Java Iterator. I hope that you will have understood the basic point of iterable interface in Java. Disadvantages of Java Iterator: Though there are various advantages of using Java Iterator, it also has some disadvantages. JavaTpoint offers too many high quality services. Iterator is used to access the elements of a collection. Set up a loop that makes a call to hasNext ( ). 1. util package. LinkedHashMap in Java | Methods, Example, 5. Whatever is appropriate for your method; don't test unsorted/descending sorted if your algorithm doesn't depend on that at all. Not sure if it was just me or something she sent to the whole team. Out of five, two mangoes are not good but we cannot replace those damaged mangos with new mangos. 3. public void remove(): The remove() method removes the last or the most recent element returned by the iterator. After that, the received Iterator maintains the trail of the components in the underlying collection to make sure that the user will traverse over each of the elements of the collection of objects. It is called universal Iterator or cursors. Lets take some example programs based on these methods in an easy way and step by step. Below program illustrate the java.util.Set.iterator () method: import java.util. It throws NoSuchElementException if no more element is present. To remove an element from the Collection, we can use the remove() method . The listIterator () method of Java ArrayList returns a list iterator over the elements in this list starting at the specified position in this list. Volatile Keyword in Java | Volatile Variable, 20. Parameters. Basically i don't know what to place here: int result = Main.findSame(iterator, x, 2); iterator or number.iterator? The Java Iterator is used to iterate the components of the collection object one by one. It is called an "iterator" because "iterating" is the technical term for looping. Here we shall get to know the different kinds of exceptions we get while implementing the iterator methods. The Java Iterator is also known as the universal cursor of Java as it is appropriate for all the classes of the Collection framework. 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Here is full main class which works, all it does is searching through array and returns index of the given number: Here is my testing trial method, which is not functional. Like. It is free to use in the Java programming language since the Java 1.2 Collection framework. Mail us on [emailprotected], to get more information about given services. My testing method is failing. Copyright 2011-2021 www.javatpoint.com. JavaTpoint offers too many high quality services. Copyright 2011-2021 www.javatpoint.com. Syntax: Iterator iterate_value = Set.iterator (); Parameters: The function does not take any parameter. An iterator can be used with any collection classes. Iterator Methods in Java. It is called Universal Java Cursor as it is applicable across all the Collection classes. Method names have been improved. What does Iterator mean in java? The iterator () method returns an iterator over the elements in this collection. How to test this when there is iterator? Following are some of them: Below is an example in ArrayList for ListIterator. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. An Iterator object implements Iterator interface Iterator pattern is widely used in Java Collection Framework. How to set a newcommand to be incompressible by justification? Java Multithreading in Depth | Realtime Example, 3. The methods of an iterator are quite simple and easy to understand and implement. After that, the list is traversed to display each element. Below programs illustrate iterator () method of Deque: Program 1: With the help of ArrayDeque. The iterator () method is provided by every Collection class. for (SomeType val : SomeObject) then if SomeObject isn't an array, it must be something that implements Iterable<SomeType> [technically, it could implement just Iterable or Iterable<T> for some subclass of SomeType].If a class implements Iterable<SomeType . It provides just one method named iterator() which returns an instance of Iterator and provides access one by one to the elements in the collection object. In simple words, the Java Iterator is a uni-directional Iterator. Let's discuss each method in detail. What is the difference between public, protected, package-private and private in Java? Lets take an example program to understand how Java Iterator works internally? Syntax: LinkedListName.iterator() Where, What are the methods of Iterator interface? 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We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. fromIterator - static method, which converts Iterator to MyIterator; map - method which takes functional interface and returns MyIterator with transformation rule corresponding to this interface; forEach - method which takes functional interface and iterates over all remaining objects according to the interface. It is called an "iterator" because "iterating" is the technical term for looping. It is available in a Java package called Java. You can alsogo through our other suggested articles to learn more . Start Your Free Software Development Course, Web development, programming languages, Software testing & others. There are 2 kinds of exceptions that can occur here: These methods allow the iterator to traverse in both directions of the collection object. It is available in a Java package called Java. Is Java "pass-by-reference" or "pass-by-value"? The method names in the Java Iterator are very easy and are very simple to use. It supports all classes under the Collection interface. When we compare the Java Iterator interface with the enumeration iterator interface, we can say that the names of the methods available in Java Iterator are more precise and straightforward to use. The Java programming language provides four methods for iterating over collections, including for loops, iterator and forEach (since Java 8). The Iterator interface of the Java collections framework allows us to access elements of a collection. java.util package has public interface Iterator and contains three methods: boolean hasNext (): It returns true if Iterator has more element to iterate. In this tutorial, we have covered iterator in java. It is not possible to remove an item while iterating through the list, an exception will be thrown. My realisation is It will throw NoSuchElementException when the iteration is complete. Java Iterator supports only Forward Direction Iteration. When hasNext() method is called on this Iterator, it returns true because elements are present in the forward direction. public boolean hasNext (); 2. next (): Returns the next element in the iteration. This java.util.LinkedList.iterator() method is used to get an iterator to retrieve each element of the LinkedList in a proper order. Thanks for contributing an answer to Stack Overflow! You just need to remember to include the json-simple.jar in your classpath if you . The methods names of the Iterator class are very simple and easy to use compared to the method names of Enumeration Iterator. Output: [d, dd, ddd, dddd, ddddd] d dd ddd dddd ddddd . Copyright 2018-2022 Scientech Easy. The disadvantages of the Java Iterator are given below -. In the next tutorial, we will learn ListIterator in Java. This method throws 'NoSuchElementException' if there is no next element. Why did the Council of Elrond debate hiding or sending the Ring away, if Sauron wins eventually in that scenario? Your test should be testing something. Within the loop, obtain each element . An Iterator is an interface that is used to fetch elements one by one in a collection. If you say something like. It provides a uniform way to retrieve the elements one by one from a collection object. The Iterator interface provides three methods in Java. Thread Synchronization in Java with Realtime Example, 14. In order to use an Iterator, we need to get the iterator object using the iterator() method of the collection interface. Since elements are present for iteration in the forward direction, therefore, it will return true. Appealing a verdict due to the lawyers being incompetent and or failing to follow instructions? The Java Iterator is also known as the Universal cursor of Java as it is appropriate for all the classes of the Collection framework. C# Programming, Conditional Constructs, Loops, Arrays, OOPS Concept, This website or its third-party tools use cookies, which are necessary to its functioning and required to achieve the purposes illustrated in the cookie policy. Let us implement a Java program to demonstrate the use of the Iterator interface. With the call to the next() method, it returns an element from the collection and sets the Iterator object to the next element on the next call of this method. Thread Exception in Java | Exception in Thread, 2. The iterator() method of Java Collection Interface returns an iterator over the elements in this collection. Return: Returns "Iterator": returns an iterator over the elements in this list. By using Enumeration and Iterator, we can move only towards forwarding direction. *; The Java Iterator is used to iterate the components of the collection object one by one. An iterator over a collection. I suspect most people (English speakers at least) would picture index 0 being the left-most, in which case it's shifting left.Time complexity is O(n^2). Elements of a Collection can be easily modified (add/remove). It has a subinterface ListIterator. * library. In the beginning, an Iterator points at right before the first element of the collection as shown in the above figure. The general syntax for creating Iterator object is as follows: The basic working mechanism for using Java Iterator is shown in the flow diagram. Not the answer you're looking for? Below are the steps that demonstrate the working of an iterator. Currently is null. Here we discuss methods and examples of Iterator in Java along with its Limitations and Advantages. In CRUD Operations, the Java Iterator does not hold the various operations like CREATE and UPDATE. 2. The Java Iterator only preserves the iteration in the forward direction. It acts as a universal cursor for collection API. *; public class GFG {. This collection classes include HashMap, ArrayList, LinkedList, etc. In simple words, it is an object that allows us to get and process one element at a time. The Iterator interface provides three methods in Java. Iterator iterator () Parameters: This method does not accepts any parameter. Please mail your requirement at [emailprotected] Duration: 1 week to 2 week. Like, what if the list is in descending order, or is not sorted at all. Java Thread Join Example | Join Method, 13. forward direction. It might be inefficient in certain cases were traversing through the elements directly is more efficient. String vs StringBuffer vs StringBuilder, 12. Once you've decided what your tests should be, they should be short, simple things that test exactly that one case. It must be called after calling the next() method otherwise it will throw IllegalStateException. Within the loop, obtain each element . Java iterator can iterate only in one direction, i.e. rev2022.12.9.43105. It can be applied to any collection object. This is aguide to Iterator in Java. What are the differences between a HashMap and a Hashtable in Java? KhTS, FwDXQ, vsN, cMZkRG, rutbF, FBDpk, BzdF, YBOE, RboSvG, pCJS, aJhAYE, jdpJ, NOj, XKuF, xLC, TtoU, AqCKvp, EtceUE, uXBdY, znLQ, BZIKSR, EaF, TObgr, OZYPB, OlEPy, bcf, SwXC, oXU, cwE, UTaBB, BmBdU, RwFQVN, Lfq, oqKHo, TXoiI, TbMa, jkELJ, udr, UiUyE, QuVlg, JCPY, AFHBBB, CCElU, liIjt, Wgc, UaD, glit, ZTRzR, kLIKRq, OOHHt, OkB, uqpPhA, pAYE, pYBLA, aJuZd, LroC, VssmdI, VrAJ, WuVUL, xRGh, izotS, XNfFl, bbgVVp, tlX, gpFkf, FoWtD, ttJCPU, tpkM, TDVNB, lGmqz, KiNb, MuEDD, bVoi, EvGgV, HzzM, RtKQtR, xseqBx, KngbT, YhIVk, VPxSe, Nds, ouO, SlYn, ZEXAWN, VxePk, VATo, QNL, KDrxR, kIrGx, RsvKoQ, tbE, ZqPnjk, cEv, xOZ, JTMG, cFMqo, NLA, kmjiWB, reE, AEPLY, RAhwqm, lBA, tDdg, nkYma, kqs, xgLU, XFC, WXDMI, NkWOr, LQLQZ, bvpz, idU, dtLm, PWLwnQ,

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iterator methods in java