The above code generates the same output as seen in the section 3 examples. To sort the list in place: orig_list.sort (key=lambda x: x.count, reverse=True) To return a new list, use sorted: new_list = sorted (orig_list, key=lambda x: x.count, reverse=True) Explanation: key=lambda x: x.count sorts by count. Here is an example of how to sort a list of integers using a stream: In the example above, the number list is converted to a stream using the stream() method. I also edited your title to better reflect your question. See the above two program are sorted in ascending order from low to high values for integers and string in alphabetical order. Top YouTube Channel (75K+ Subscribers): Check out my YouTube channel for free videos and courses - Java Guides YouTube Channel, My Udemy Courses - https://www.udemy.com/user/ramesh-fadatare/, Connect with me on The Collections class has two methods for sorting a list: sort() method. We also have thousands of freeCodeCamp study groups around the world. How can i get the names and info from employee class to iterate into an arraylist? For example, sorting a list of employees by their job title, then by age, and then by salary. Next, I think you should have an EmployeeGenerator class whose sole purpose is generating Employees. This article will illustrate how to apply sorting to Array, List, Set and Map in Java 7 and Java 8. Tweet a thanks, Learn to code for free. List.sort() is an instance method of the List class and it sorts the elements in the order defined by their natural ordering or by a specified Icomparer implementation. Java Sort List. Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee, The number of distinct words in a sentence. Dot product of vector with camera's local positive x-axis? 1. Simply use Stream#sorted as follows with the name of your getter method for the Element's ID. This class will have logic to sort list of Employees by empId. For example, if you have a collection of Employee objects and you want to sort them by their last name, you can use the Collections.sort() method and pass in a custom Comparator that compares the last names of the Employee objects. How did StorageTek STC 4305 use backing HDDs? We may require to sort a list of custom objects which can have their own sorting logic. attribute. In this example, we will see how to sort a list of employees by name in ascending and descending order using Lambda Expressions: package com.java.tutorials.sorting ; import java.util.ArrayList ; import java.util.Collections ; import java.util.Comparator . Printing TreeMap Having Custom Class Objects as Keys or Values in Java. @Override public int . Passing Comparator to the sort() method will do sorting in reverse order to ascending order. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, I clarified your introductory statement, moved your second question from top to bottom. How do I convert a String to an int in Java? Now let's say we need to sort these students first by "name" and if more than 1 students have the same name, those students need to be sorted by "no". A Computer Science portal for geeks. This method returns a new Collector implementation with the given values. Using this method is fairly simple, so let's take a look at a couple of examples: Here, we make a List instance through the asList() method, providing a few integers and stream() them. Home Java Core Java Java 8 Collections sort() method List Custom Sort Example By Employe Objects (Id, Name, Age), Posted by: Venkatesh Nukala Java Collections.sort() method. Do NOT follow this link or you will be banned from the site. Collections.sort (objectOfArrayList); All elements in the ArrayList must be mutually comparable, else it throws ClassCastException. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. Sorting List in ascending and decending order. We learned how to sort Employee objects in Java using Comparable. We accomplish this by creating thousands of videos, articles, and interactive coding lessons - all freely available to the public. 1 (A)Ascending Order. rev2023.3.1.43269. Complete Data Science Program(Live) Mastering Data Analytics; School Courses. Dot product of vector with camera's local positive x-axis? Java provides two interfaces to sort objects using data members of the class which are Comparable and Comparator. Sort an array which contain 1 to n values, Sort 1 to N by swapping adjacent elements, Sort an array containing two types of elements, Sort elements by frequency using Binary Search Tree, Sort elements by frequency | Set 4 (Efficient approach using hash), Sort elements by frequency | Set 5 (using Java Map), Sorting a HashMap according to keys in Java, Spring Boot - Start/Stop a Kafka Listener Dynamically, Parse Nested User-Defined Functions using Spring Expression Language (SpEL), Split() String method in Java with examples, Object Oriented Programming (OOPs) Concept in Java. How can I recognize one? In the main () method, we've created an array list of custom objects list, initialized with 5 objects. Is something's right to be free more important than the best interest for its own species according to deontology? Different ways of sorting using Comparator interface. 1. How to sort Employee object based on salary,name in ascending order from Map>>using Java8 streams API, The open-source game engine youve been waiting for: Godot (Ep. Java.util.TreeMap.descendingMap() and descendingKeyset() in Java, Java.util.TreeMap.containskey() and containsValue() in Java, Java.util.TreeMap.pollFirstEntry() and pollLastEntry() in Java, Java.util.TreeMap.put() and putAll() in Java. We can easily sort the employees list first by age and then by name, as shown below. This website uses cookies. About Me | "Marketing")}; // get List view of the Employees List<Employee> list = Arrays.asList(employees); // display all Employees System.out.println . We can use Guavas ComparisonChain for performing a chained comparison statement inside the compareTo() method, as shown below: The return value of the compareTo() method would have the same sign as the first nonzero comparison result in the chain or will be zero if every comparison result was zero. The Comparator.comparing static function accepts a sort key Function and returns a Comparator for the type that contains the sort key: To see this in action, we'll use the name field in Employee as the sort key, and pass its method reference as an argument of type Function. First, Well show the example program to sort List of Strings and Next move to theCustom sorting of Arraylist of Employees. What does meta-philosophy have to say about the (presumably) philosophical work of non professional philosophers? Using TreeMap to sort User-defined Objects in Java, Java Program to Sort Keys in TreeMap by using Comparator with User Defined Objects, Creating TreeSet with Comparator by User Define Objects in Java. For sorting the list with the given property, we use list 's sort () method. The distinction must be made between a singular geographic information system, which is a single installation of software and data for a particular use, along with associated hardware, staff, and institutions (e.g., the GIS for a particular city government); and GIS software, a general-purpose application program that is intended to be used in many individual geographic information systems in . In this article, we are going to discuss the two common ways which are easy to understand and implement. We declare some more variables named 'sal' and 'increment'. Let's save this result into a sortedList: Here we see that the original list stayed unmodified, but we did save the results of the sorting in a new list, allowing us to use both if we need so later on. This application demonstrate pagination and sorting by two ways - PaginationAndSortingRepository; Custom Pagination and Sorting Utility; H2 Database Table. If two employees have the same age, their relative ordering in the sorted list is not fixed. What are examples of software that may be seriously affected by a time jump? Sorting ArrayList of Objects by Field. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. Sort by Key. Third and finally, if customers name/city are . 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. SortedCollection = inputCollection.stream() .map(e -> { return new Element(e.id, e.color); }).collect(Collectors.toList()); Sometimes data needs to be arranged in a specific order so it's easier to understand, search, and process. Interface. Java Guides All rights reversed | Privacy Policy | . Note: In Java 8, the List interface supports the sort() method so you need not to use the Comparator.sort(), instead you can use the List.sort() method. Sorting of ArrayList<String> and ArrayList<Integer>. In this article, Weve seen how to sort the list of Strings and Integers in java. Let's start by sorting integer arrays first using Arrays.sort () method. It uses classes from the Java standard library, including java.util.Collections, java.util.List, and java.util.ArrayList to perform the operations. So what *is* the Latin word for chocolate? Method of Collections class for sorting List elements is used to sort the elements of List by the given comparator. hibernate entity gets null value for nullable integer field. In my free time, I would love to spend time with family and write articles on technical blogs. Learn and master Java Collections Framework at. Java examples for Lambda Stream:Sort. Views, A complete guide to Sorting Custom Objects in java. For sorting the list with the given property, we use the list 's sort () method. A-143, 9th Floor, Sovereign Corporate Tower, We use cookies to ensure you have the best browsing experience on our website. groupingBy () method is an overloaded method with three methods. Specifically, we're using the comparingInt() method, and supplying the user's age, via the User::getAge method reference. Here is code to test and sort person objects: Java Functional Interface Interview Q & A, Different Ways to Iterate over a List in Java [Snippet], Different Ways to Iterate over a Set in Java [Snippet], Different Ways to Iterate over a Map in Java [Snippet], Iterate over LinkedHashSet in Java Example, Remove First and Last Elements of LinkedList in Java, Iterate over LinkedList using an Iterator in Java, Search an Element in an ArrayList in Java, Iterate over ArrayList using Iterator in Java. Turn Save Settings On (requires cookies) Time Zone List: All Time Zones. That are, using a chained comparator . Here I would like to sort the elements that have been mapped, using the id We can use Comparator.comparing () and pass a function that extracts the field to use . The value returned by the compareTo() method decides the position of the object relative to the specified object. If you want a complete streams solution you can do it as follows. I hope this article has given you the correct information on how to sort a list in Java. Here's the equivalent Java code: Java program to sort an ArrayList of custom objects by property. How do I fit an e-hub motor axle that is too big? Facebook, If compareTo () returns a positive integer, the object is greater than the specified object. How to get the closed form solution from DSolve[]? A comparator is an object that implements the java.util.Comparator interface. It has a single method called compare() that compares two objects and returns an integer indicating their relative order. Refer to Guide to Sorting in Java for more information. Java Custom Sorting With Employee Objects As of now, shown the example programs with Strings and Integers. 1. Can the Spiritual Weapon spell be used as cover? Initialization of an ArrayList in one line, How to extend an existing JavaScript array with another array, without creating a new array, Sort ArrayList of custom Objects by property, Converting 'ArrayList to 'String[]' in Java. We are categorising a list of Employee objects by their city in the above example. This interface helps in imposing a natural order on objects with simple interface implementation. Since TreeSet implements the sortedSet interface, therefore, the elements by default are sorted in ascending order. This is how it works: 1) The gallery in which the list of your items is shown has an Items property, which determines what it shows. This method has two forms as follows: void sort (List<T> list): sorts the list into ascending order according to its elements' natural ordering. Watch this course on YouTube at Spring Boot Tutorial | Fee 10 Hours Full Course. Published on Java Code Geeks with permission by Venkatesh, partner at our JCG program. How to Find User Defined Objects From LinkedHashSet in Java? Read more about me at About Me. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. How can i add a random list of employees more than half being prod. 2. We can use Collections.sort() method to sort a list in the natural ascending order. andStackOverflow, Copyright 2018 - 2022 And also, Custom sort based on Employee Id, Name and age variables. Guide to Java 8 Collectors: groupingByConcurrent(), Java 8 - Difference Between map() and flatMap(), Java: Finding Duplicate Elements in a Stream, Java - Filter a Stream with Lambda Expressions, Guide to Java 8 Collectors: averagingDouble(), averagingLong() and averagingInt(), Make Clarity from Data - Quickly Learn Data Visualization with Python, // Constructor, getters, setters and toString(), Sorting a List of Integers with Stream.sorted(), Sorting a List of Integers in Descending Order with Stream.sorted(), Sorting a List of Strings with Stream.sorted(), Sorting Custom Objects with Stream.sorted(Comparator in Ascending order android, How to convert List to Map with Streams & Lambda Java8, convert list of object into a map of > java8 streams, java8 Stream API filter Map based on arrayList, Retrieving employee department and id based on the salary using Java streams, Can I use a vintage derailleur adapter claw on a modern derailleur. Output: Second, if name of the 2/3 customers are same then we are going to sort on the basis of their city. The products can be sorted in various ways depending on the requirements the user sets such as price, rating, brand, and so on. The syntax for the sort () method is like below. Sort a List by String Field. All the values are added to the list must implement Comparable interface. There are a few of these built-in comparators that work with numbers (int, double, and long) - comparingInt(), comparingDouble(), and comparingLong(). First, we are going to sort the list according to their name. In this tutorial, Youll learn how to sort Custom objects in java. Here is an example of how to use a comparator to sort a list of custom objects: The code above creates a list of 'Person' objects, adds several Person objects to the list, sorts the list using a custom comparator (PersonComparator), and then prints out the sorted list. At what point of what we watch as the MCU movies the branching started? About Me | Receive Java & Developer job alerts in your Area, I have read and agree to the terms & conditions. Ultimately, you can also just use the comparing() method, which accepts a sorting key function, just like the other ones. The source of these elements is usually a Collection or an Array, from which data is provided to the stream. The comment form collects your name, email and content to allow us keep track of the comments placed on the website. To learn more, see our tips on writing great answers. Complete Data Science Program(Live) Mastering Data Analytics; School Courses. I am using the stream API in java 8 to handle my collections. Sort User-Defined Objects in Ascending Order in Java. Rename .gz files according to names in separate txt-file. The output of the above code is shown below: You can also sort a list of custom objects using the Collections.sort() method. For using Comparable, Class needs to implement it whereas for using Comparator we don't need to make any change in the class. If we are depending on the default natural sorting order, the objects that are being inserted into the tree should be homogeneous and comparable. Another way to handle null values in the. [{name='Joe', age=10}, {name='John', age=15}, {name='Dan', age=20}, {name='Sam', age=20}, {name='Will', age=20}]. This method sorts a list in ascending order. In short, we are sorting persons by age in ascending order. Has 90% of ice around Antarctica disappeared in less than a decade? Currently you instantiate only one ProductionWorker and one ShiftSupervisor, change the values of the member variables, and print some text to StdOut. How to get the last value of an ArrayList. For sorting using Comparator interface we need to use Collections.sort (List list, Comparator c) method. First, Create Employee class with id, name and age. 2. workers and the rest shift supervisors? API Testing Finally, we've used a custom Comparator and defined custom sorting logic. Here, we compare the employee's joining date field with other objects of the same type. Arrays; Linked List; Stack; Queue; Binary Tree; Binary . If salary is same, then use employee name for comparison. How to react to a students panic attack in an oral exam? In this post, we will see how to sort a list with Stream.sorted () method. The result is a new list containing the sorted elements. You should definitely try and remove some code from your samples, it is a bit too much to be appealing to debug, as well as clarify what your two questions are (try and keep it short), this was exactly what i needed, thanks for understanding where i was coming from, The open-source game engine youve been waiting for: Godot (Ep. Facebook, How to Eliminate Duplicate User Defined Objects as a Key from Java LinkedHashMap? I am VMWare Certified Professional for Spring and Spring Boot 2022. Let's suppose we have our Movie class and we want to sort our List by title. Therefore, if an object implements the Comparable interface, then the lists (and arrays) of that object can be sorted automatically by Collections.sort (and Arrays.sort). The sort() method sorts the list in ascending order, according to the natural ordering of its elements. Not the answer you're looking for? GitHub, There are a few of these built-in comparators that work with numbers (int, double, and long) - comparingInt(), comparingDouble(), and comparingLong(). The sorted() method is then called on the stream to sort the elements. Be the first to rate this post. The first thing I would do is have all necessary fields set in the constructor. We call this process sorting. I am founder and author of this blog website JavaGuides, a technical blog dedicated to the Java/Java EE technologies and Full-Stack Java development. Objects that implement this interface can also be used as keys in a sorted map (TreeMap) or as elements in a sorted set (TreeSet), without the need to specify a comparator. Key Selector Variant. Here's how it works: Inside the main method above, a list of integers called "numbers" is created using the Arrays.asList method. If an Employee doesn't "exist" until it has a name, then that should be part of the constructor. You gave simple code looks good thank you. Is variance swap long volatility of volatility? super T> comparator), Defining a Custom Comparator with Stream.sorted(). Hi, I am Ramesh Fadatare. Story Identification: Nanomachines Building Cities, Dealing with hard questions during a software developer interview. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. After sorting them by city . The above code will sort the employees list only by the age field. 2013-2023 Stack Abuse. For instance, it may be on marks, name, or anything else. Finally, the sorted list is printed to the console using the System.out.println method, which will output "[1, 2, 3, 4, 5]". There are two simple ways to do this - supply a Comparator, and switch the order, which we'll cover in a later section, or simply use Collections.reverseOrder() in the sorted() call: Though, we don't always just sort integers. Sort by Value. However, if we're working with some custom objects, which might not be Comparable by design, and would still like to sort them using this method - we'll need to supply a Comparator to the sorted() call. The Comparable interface provides natural order like the lexicographic order of String or name for Employees, while Comparator is used to provide custom order.It gives you the flexibility to sort your objects on the parameter you want e.g. Introduction. Convert Iterable to Stream using Java 8 JDK, Rename .gz files according to names in separate txt-file. How do I read / convert an InputStream into a String in Java? So what *is* the Latin word for chocolate? 1. If the elements of the stream are not Comparable, a java.lang.ClassCastException may be thrown upon execution. Note that the ComparisonChain stops calling its inputs compareTo and compare methods as soon as one of them returns a nonzero result. This just streams each outer out and inner in entrySets and the sorts the list based on the specified requirements. Join them now to gain exclusive access to the latest news in the Java world, as well as insights about Android, Scala, Groovy and other related technologies. How to Delete User Defined Objects from LinkedHashSet? When you say you want to add a random list of employees, What do you mean exactly? NameComparator, AgeComparator, and SalaryComparator, this is known as custom sorting in Java. We're streaming that list, and using the sorted() method with a Comparator. Sorting of ArrayList in descending order. Java 8 Stream API is added with the data grouping capabilities as part of Collectors api. The below example demonstrates the concept of How to sort the List in Java 8 using Lambda Expression. Dot product of vector with camera's local positive x-axis? When I first saw Enum as a String[] and highlighted as a type, it took me a moment to figure out what exactly was going on. LinkedIn, Typically, this chain can continue further to include other properties as well. Also edited your title to better reflect your question for chocolate pagination and sorting Utility ; H2 Database Table 9th! Of software that may be seriously affected by a time jump interface, therefore, the is. Exchange Inc ; User contributions licensed under CC BY-SA must implement Comparable interface in Java sort our list the. The natural ordering of its elements to Oracle Corporation the Latin word for chocolate it has a name email... Java using Comparable two employees have the same age, their relative ordering in ArrayList., quizzes and practice/competitive programming/company interview Questions do it as follows Find centralized trusted. Learned how to Create TreeMap objects using Data members, as shown below Hours Full.. Compareto ( ) method example demonstrates the concept of how to get the last value of an ArrayList Custom. By a time jump program are sorted in ascending and descending order using ways of sorting the. Source of these elements is used to provide different ways of sorting i would do have! Linkedin, Typically, this is example demonstrates that we Create a list of Strings and Integers parameter and will! Science and programming articles, and then by name, email and content to allow us track! Names and info from Employee class to iterate into an ArrayList software Developer interview two interfaces to sort list employees! Used a Custom Comparator with Stream.sorted ( ) method we can easily sort elements... Ascending and descending order using is added with the given property, we can easily sort the elements the... Motor axle that is too big their job title, then by age and then by age and then salary... 90 % of ice around Antarctica disappeared in less than a decade generates same... Of the object relative to the Stream API in Java local positive x-axis Having class. To an int in Java 8 to handle my Collections Testing Finally, we cookies... By salary simply use Stream # sorted as follows, then that should be part of comments. Example, sorting a list of elements conveniently be free more important than the best experience! Objects by property on opinion ; back them up with references or personal experience provides interfaces... To code for free employees by their city ( person p1, person p2 ) - & gt ; (! Attack in an oral exam the above code generates the same age and! Example demonstrates that we Create a list with the given property, we will see how to sort ArrayList... By age and then by salary list only by the compareTo ( ) does! On Employee ID, name, or anything else, learn to code for free inputs and! If name of the task at hand as we discussed above the is!: Java program to sort an ArrayList, then use Employee name for comparison professional. What do you mean exactly ShiftSupervisor, change the values using collections.sort ( objectOfArrayList ) ; All elements the! Api is added with the Data grouping capabilities as part of the member variables and! Indicating their relative order Questions during a software Engineer working for Online Payments Leading. List containing the sorted ( ) method the java.util.Comparator interface Corporate Tower, we use to... Using Lambda Expression of ArrayList of Custom objects by property example programs with Strings and next move to sorting! Order they are appended to the public complete guide to sorting Custom objects by job! And Full-Stack Java development order they are appended to the public into a in! The Data grouping capabilities as part of Collectors API default are sorted in ascending order than decade. Given values during a software Engineer working for Online Payments Industry Leading company value. As the MCU movies the branching started same type Binary Tree ; Binary Tree Binary... A-143, 9th Floor, Sovereign Corporate Tower, we use list & x27. Using a Comparator of software that may be on marks, name and age variables will. And next move to theCustom sorting of ArrayList & lt ; integer & gt ; more, see our on. Example program to sort an ArrayList using Lambda Expression here & # x27 ; s sort ( that! In your Area, i have read and agree to the sort ( ) method the! ) time Zone list: All time Zones age and then by salary of now shown. 'S ID Finally, we use list & # x27 ; s sort (.! Is like below job title, then use Employee name for comparison Privacy Policy |, or else! Above, you can use collections.sort ( objectOfArrayList ) ; All elements in the two... 'S right to be free more important than the best method to sort the elements based on opinion ; them... Title, then that should be part of the constructor and print text... Title to better reflect your question Stack ; Queue ; Binary implementing the Comparable.compareTo ( object ) methods available! Of Collectors API and we compare the Employee & # x27 ; s sort ( ) method sort! Appended to the Java/Java EE technologies and Full-Stack Java development SalaryComparator, this is example demonstrates the concept of to! Boot tutorial | Fee 10 Hours Full course may be seriously affected by time. The Element 's ID Antarctica disappeared in less than a decade there are several ways in Java what. Sort ( ) method to sort a list with the given values less... Printing TreeMap Having Custom class objects as Keys or values in Java has! And Java 8 to handle my Collections collections.sort ( ) method sorts the list object as a parameter and will... Well thought and well explained computer science and programming articles, quizzes and practice/competitive interview... To Array, from which Data is provided to the Java/Java EE technologies Full-Stack... From low to high values for Integers and String in alphabetical order making based. Implements the java.util.Comparator interface Geeks with permission by Venkatesh, partner at our JCG program also, sort... Are examples of software that may be on marks, name and age variables, it may be affected!, learn to code for free syntax for the sort ( ) is... Method with a Comparator this sort ( ) ordering of its elements nullable integer field solution from [... It uses classes from the site well written, well show the example programs Strings! Seen in the order they are appended to the specified object p2 ) - & ;... Java LinkedHashMap for sorting how to sort list of employee objects in java list with the given values Find User Defined from. Imposing a natural order on objects with simple interface implementation making statements based on the website at hand as discussed! Learn more, see our tips on writing great answers natural ordering of its elements around the.! In entrySets and the sorts the list of employees by their job,... Views, a java.lang.ClassCastException may be thrown upon execution the sortedSet interface therefore. Same age, their relative ordering in the natural ascending order, according to their name the information. We accomplish this by creating thousands of freeCodeCamp study groups around the technologies you use.... Can also use the list based on the Stream same output as seen in the constructor from... Tutorial, you will learn how to sort our list by title agree to the specified object values of comments... ; User contributions licensed under CC BY-SA Java Guides All rights reversed | Privacy Policy | Data members of member! Rights reversed | Privacy Policy | require to sort a list as seen in the section 3 examples a... I would do is have All necessary fields Set in the natural ascending order by default sponsored Oracle... With String values and sort the employees list first by age and how to sort list of employee objects in java by in! I add a random list of Strings and Integers just streams each outer and! Interview Questions Collection or an Array, from which Data is provided to the builder methods as soon one! List, Set and Map in Java: Java program to sort Employee objects by using! Also use the CompareToBuilder class of the object relative to the builder if salary is same, then by.... Articles on technical blogs efficiently iterate over each entry in a Java?... Professional philosophers sorting of ArrayList & lt ; integer & gt ; p1.firstName.compareTo p2.firstName. Have logic to sort a list of person objects and we want add... Reversed | Privacy Policy | the class which are easy to understand implement! Java code Geeks is not connected to Oracle Corporation and is not sponsored by Corporation... In short, we can sort the employees list only by the given property, we 've a..., if compareTo ( ) method with three methods follow this link or will! Apply sorting to Array, list, Set and Map in Java 8 Stream is..., it may be on marks, name and age experience on our website value of an ArrayList of by... To names in separate txt-file on how to sort the employees list first by age, and then by,., a technical blog dedicated to the natural ordering of its elements age! Discuss the two common ways which are easy to understand and implement now, shown example... The comments placed on the specified how to sort list of employee objects in java class which are Comparable and interface... Source of these elements is usually a Collection or an Array, from Data! See the above code generates the same type common ways which are and!, i have read and agree to the builder here, we will see how to Create objects.