Kotlin classes can easily be declared in one line thus allowing the code to be significantly shorter and simpler to comprehend. This is a quick table of summary of comparison. Provides an enhanced run-time performance. Checked Exceptions: Number one is that Java has checked exceptions at the same time as Kotlin doesn’t observe small packages effects within the end that require exception specifications which could each enhance developer productivity and enhance code satisfaction. In short, Kotlin is designed to be an improved Java. 3. It means that Kotlin provides many safety mechanisms available out-of … Interoperability. One of the main advantages of Kotlin is its concision. 1. Discuss with Kotlin Android devs. The page contains examples on basic concepts of Kotlin. Kotlin, on the other hand, is streamlined, with some great features, and comes with a solid library. Android app development has become a regular trend to boost your business, but the main factor deciding whether it’ll be a success or not is the programming language used. Here’s the first: 1. 62.9% of devs love Kotlin. Working with ReactiveX: Java vs Kotlin Let's say we want to write a program that receives commands from a remote server and executes them. kotlin-vs-java. So this in Kotlin: val someList = people.filter { it.age <= 30 }.map { it.name } is the same as: Kotlin vs. Java and how they fit together The learning curve for using Kotlin is pretty low: Any experienced Java developer can pick up Kotlin in a few hours. Some of the shortcomings of Kotlin in Java, Kotlin, which is not in Java, not in Java and Kotlin also can be divided into features. Kotlin classes are declared using keyword class. Without them, the productivity was observed to have a significant amount of reduction with no improvement in code quality. Kotlin Coroutines vs Java Threads There are probably many articles about Kotlin’s coroutines online. And the main argument might be the fact that Kotlin is designed to address Java’s issues. The page contains examples on basic concepts of Kotlin. Kotlin-built projects take less time to code, require fewer bugs to fix, and cost less, compared with Java applications. Although 3rd-party libraries are now providing means to manage several databases, horizontal sharding and making switches... Kela has 7+ years of experience in JavaScript, Python, C++, and Java. if I launch the Kotlin example in script mode, It takes 2 times longer than Python (~ 13 seconds vs ~6 seconds). Kotlin was written by the same folks who created popular integrated design environments (IDEs), so its background comes from mobile industry pros, who were looking to solve specific problems. Subscription implies consent to our privacy policy, Hire world-class top developers for your team. That’s why I would like to focus just on showing you the difference between concept over coroutines and threads – a well-known concurrency mechanism in Java. But, mobile app development isn't that simple in practice. Interoperability. ... Java vs Kotlin: An Honest Comparison. Kotlin has shorter code, more security features, and easier typing. For example: No need of findViewByIds: It is used to … Naturally, there is a lot of buzz about the comparison and pros and cons of these two languages. When we have to instantiate a Fragment, Android makes us do it through a static method in which we will build a Bundle where we write the arguments that we want to pass to the Fragment. In 2021, the competition between the programming languages is gonna get even stricter. Calling Kotlin from Java code can’t be easier. Many few Kotlin developers can be seen in the market. - Duration: 3:25. android - plugin - kotlin vs java Kotlin para Android. All answers on Stackoverflow are in Java. Kotlin doesn’t have a static keyboard if you’re an android developer and in case you’re keen on making android programs in Java then you want to have used static keywords. Concise. Now, Java vs Kotlin became one of the frequent comparisons in the entire tech world. 2. This example demonstrations how Kotlin extensions, higher-order functions, and Anko combine to provide really powerful features with concise syntax. level 1. Sin embargo, llega Kotlin, el cual trae mejoras considerables. Ternary Operator Support: Java has the availability of this support that helps in reducing the length of the code. A very simple example of java-kotlin interoperability - Vshnv/java-kotlin-interop-example Apiumhub brings together a community of software developers & architects to help you transform your idea into a powerful and scalable product. While Java is still faster and has a larger user base, Kotlin has interoperability with Java and runs on the JVM, so Kotlin runs on Android just as well as Java. Kotlin is interoperable with Java, which means that you can leverage all existing Java libraries, JVM, and the frameworks. Kotlin vs Java. We used Kotlin instead of Java for Android app and found it a pleasant surprise and an upgrade on Java. tostada (9) En diferentes ejemplos de Kotlin para Android veo tostadas ("Algún mensaje ...") o tostadas Largas ("Algún mensaje largo"). In Java we would need to do something like this: While in Kotlin, using the .apply operator, we would do something like this: While there is no difference in the number of lines between the two snippets, in Kotlin it is not necessary to keep references to the Fragment or the Bundle, and we can also narrow the scope of each part of the code, since we know that within each .apply we are writing code in which this will refer to the object on which we have made the .apply, The results of the experiment are that it is definitely faster to use coroutines than threads, although this is not a comparison as such between Java and Kotlin, we can compare a functionality widely used in Java (Threads) with a functionality implemented in Kotlin (Coroutines). Get Familiar with Kotlin. Our Tech Hub specialises in. It has been noticed that Java has some issues with API design in Android. The codes written in Kotlin are smaller in size, meaning that it will have fewer bugs and will make debugging faster. In Java, some content may not be accessible to the user since it could be unfit for the device. Kotlin is an open-source programming language that’s often pitched as a Java replacement; it’s also a “first class” language for Android development, according to Google. 3. Kotlin’s steep learning curve and switching teams are because of language’s strict syntax can be a difficulty. Because both code is very similar. However, when pre-compiled, time drops to ~ 5 seconds, similar to Python. For example, instances of a Kotlin class can be seamlessly created and operated in Java methods. Programs or applications developed in Java will execute in a JVM (Java virtual machine ) by which we can run the same program on multiple platforms and systems/devices etc. * Kotlin is a JVM-compliant language but it is very different from Java – in terms that you can accomplish more in very few code lines. You can then call it from Java code. Summary. A variety of new features are going to be introduced soon too. Get in touch with us with just a few clicks. Report Save. Kotlin mainly targets the JVM, but also compiles to JavaScript (e.g. Kotlin vs Java: Advantages of Kotlin over Java Kotlin is interoperable. •Other popular Kotlin apps examples from Google include Maps, Play, Drive. In today’s article we will talk about java vs kotlin and compare how we did things before the arrival of Kotlin, and how we have improved the readability of our code thanks to them. Comparison to Java Programming Language Some Java issues addressed in Kotlin. but here very difficult to understand which language is the best. You are advised to take the references from these examples and try them on your own. Kotlin brings more money to the devs than Java. There’s no better recreation at home than to plug in your headphones or speakers and get lost in the world of video games. Ruta para aprender a programar para Android - … 5. Kotlin is more concise. So, the job of finding a person experienced in Kotlin is a big challenge. You can start with Kotlin without having any knowledge of Java. 3. share. This Android Tutorial with kotlin will start from scratch . In simple terms, Kotlin doesn’t enjoy this freedom. 3:25. Kotlin Class. The comparison between Java and Kotlin can be done on the bais of code syntax, learning curve, security etc. Java vs Kotlin is the most trending debate among programmers especially Android developers. From our code, not simplest this, however, the sole possibilities of npe can also be a selected call to via null pointer exception or the usage of exclamatory or now not-operator next is that the separate interface for the readable and mutable collection. The language that focused more on security and had better reliability was required. Now, without the support of static methods and ternary operator, you will face some troubles during the time of development. Non-Private Fields: Encapsulation is vital in any program for attaining a proper degree of maintainability making use of encapsulating the illustration of an item. While Java 8 (being mainly procedural) boasts of features like type annotations, lambda expressions, and method references on Android; Kotlin app development brings the best of procedural and functional programming for developers. Programmers who designed Kotlin were from JetBrains (creators of integrated development environments) and their aim was to level up Java Mobile development through the addition of some advanced features. Kotlin Hello World Application using Eclipse IDE - In this tutorial, we will learn how to create a simple Kotlin hello world application using Eclipse IDE. Syntactically, Kotlin is a simplified and optimised version of Java. In contrast, Scala is designed to be different from Java, with a flexible syntax that’s more heavily influenced by … Primitive Types: These are the building blocks in Kotlin. Save my name, email, and website in this browser for the next time I comment. •Some apps are under construction in Kotlin from Java, for instance, The Google Home app isn’t completely written in Kotlin yet, •but as of June, 2020 about 30% of the code base was rewritten in Kotlin from the legacy Java code. Ten consecutive clean builds without the Gradle daemon. JetBrains led its implementation, which began in 2010, and it has been open source since early in its development.. Kotlin is a statically typed open-source programming language that runs on JVM and an official language for developing android applications. All the programs on this page are tested and should work on all platforms. We used Kotlin instead of Java for Android app and found it a pleasant surprise and an upgrade on Java. I've got similar results to yours, but that is not explained by the program itself. First, Kotlin is way more concise than Java in many cases, solving the same problems with fewer lines of code. This article explains the difference between Java and Kotlin android programming languages. Read about our 1-week risk-free trial policy, Top Javascript Game Engines and Libraries, Best Javascript Animation Libraries for 2021. Reasons for Kotlin’s popularity over java. Kotlin mainly targets the JVM, but also compiles to JavaScript (e.g. She’s worked as a software engineer at Google on the Maps JavaScript API, at Biarri automating and optimizing Australia’s fiber network designs. Kotlin is on this list, above Java. Also, to get good with Kotlin you'll need a solid grasp of Java. Fewer App Crashes . This potentially gives you two advantages: You can use Kotlin in a Java project: In any project you have already started, you can decide to start writing the new code in Kotlin. The syntax seems a bit difficult to understand when compared to languages like Python or C++. Here’s an example of a builder in the Java version, which expresses an AppMode which is something that can either be Trending or Searching. It is frequently enforced how callers engage with it, furthermore, it’s possible for illustration to vary without the need to transfer callers, furnished most people API stays unchanged in non-personal fields or public fields. The main difference between these implementations (java vs kotlin) is the fact that in Java we need to use the Consumer class to pass a function as a parameter (in this case a function that receives an input parameter of Boolean type and does not return anything). We’ll discuss how Kotlin differs from Java when it comes to syntax, usability, UI performance and asynchrony so you could decide which language suits you best. The good thing is that all standard collections – anything that implements java.util.Collection – have a particular method stream() that can produce a Stream instance. For example, when using Gradle, add the following line to your app/build.gradle file inside your dependencies: implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.2.1" Examples. Without them, the productivity was observed to have a significant amount of reduction … A coroutine is nothing more than a block of code that executes asynchronously with respect to the thread from which it was invoked. For a larger number of people, java is the best option because it is easily available. You will notice the Kotlin examples do not specify the types. Por lo anterior, hemos decido prepara este post de Kotlin vs Java. But the thing does not end here, if instead of having one parameter, we would like to have two, we need to use BiFunction or BiConsumer. For years, Java has been the staple of Android development but times change and now Kotlin seems to be a new rising star. Well defined kotlin vs java deference. Java has the power of using third-party code to make writing codes easier. Both Java vs. Kotlin are prominent decisions in the market; let us talk about a portion of the significant differences between Java vs Kotlin: Kotlin has the help of intelligent cast which recognizes unchanging sorts and performs specific cast by the compiler while in Java we have to distinguish and play out the casting. No raw types; Arrays in Kotlin are invariant; Kotlin has proper function types, as opposed to Java's SAM-conversions; Use-site variance without wildcards There are definite limitations within Java that impede Android API design. Kotlin is designed to interoperate fully with Java, and the JVM version of Kotlin's standard library depends on the Java Class Library, but type inference allows its syntax to be more concise. == operator in Kotlin only compares the data or variables, whereas in Java or other languages == is generally used to compare the references. Coroutines: Another new benefit that Kotlin gives us (although it is still experimental in version 1.1) are coroutines. Fill a simple form and start posting your content on Codersera. Report Save. While there are many ways to make it stand out like giving out unique content, creating... Rails 6.1 has finally been launched. With Kotlin, you can do more with less code. Be the first to rate this post. Enabling a person familiar with Java to very quickly understand Kotlin. Kotlin is a robust and statically typed Programming Language. In Java, this could be the equal of a null pointer exception for a brief courtroom lands time machine is aimed to do away with the null pointer exception. iOS Objective-C app: sucessful case study, Mobile app development trends of the year, Viper architecture advantages for iOS apps. The growing community of Kotlin developers proves that when a developer learns Kotlin, one will never write on Java again. In Apiumhub we work with controlerless architecture called Pure MVP a lot ( We named it MVPP ), which is based on the concepts of composition of functions and investment of dependencies. There are a lot of features that make Kotlin different from Java. into Kotlin vs Java. In other words, all arrangements that you see in Kotlin are derived from Primitive Types. inline fun Iterable.groupBy( keySelector: (T) -> K ): Map> In the Map, each key is the keySelector result and the corresponding value is the List of items on which this selector is returned.. To understand, please look at this example, we have a List of words, and what we need is to group them by their … XenonStack is AI First, Data Driven and Cloud Native Organization enabling Businesses towards Platform Strategy, engineering and development. It is a Java Virtual Machine based language. You can comparatively find fewer examples of codes in Kotlin than in Java. According to a lot of sources, it could be said that Google didn’t have many benefits sticking to Java for Android. 4. Comparison to Java Programming Language Some Java issues addressed in Kotlin. Kotlin is interoperable with Java, which means that you can leverage all existing Java libraries, JVM, and the frameworks. You are advised to take the references from these examples and try them on your own. Also, Java has a good coding base which makes it strong. Implicit Widening Conversions – Java supports implicit widening conversions with number. Java is the most powerful language and supports the development of multiple software applications operating systems as well as new programming languages and the reason for its outstanding superior performance is its features. We can examine this comparison under three main headings. Kotlin fixes a series of issues that Java suffers from: Null references are controlled by the type system. Google itself said goodbye to Java and hello to Kotlin, internally, on Android. Kotlin is a new programming language, which handles some modern features. Kotlin’s concise nature allows developers to read and modify code more efficiently which can reduce a project’s time-to-market. Now, beside Java, the second official language for Android App Development is Kotlin, which was announced by Google on 7 May 2019. Kotlin is not hard to learn. Kotlin is created by JetBrains Company. Java allows developer defining static methods and fields which are class members. Data Classes: Java programmers write and construct plenty of elements to come up with classes, while Kotlin does not require a lot of work for data classes. Java esta en todos lados. Kotlin also support pillars of OOP language such as encapsulation, inheritance and polymorphism. Kotlin has shorter code, more security features, and easier typing. Checked Exceptions: Number one is that Java has checked exceptions at the same time as Kotlin doesn’t observe small packages effects within the end that require exception specifications which could each enhance developer productivity and enhance code satisfaction. Connected healthcare and smart workplaces are examples of the new use cases for the Internet of Things - learn more about the 2021 trends in this article. But if we would like to have three instead of two, Java does not provide us with a solution as we might expect (TriFunction or TriConsumer), or we build it by ourselves or we use Function > or Function , U>. for frontend web applications using React [4] ) or native code (via LLVM ), e.g. This is because a Thread that we instantiate in Java (or Kotlin) corresponds to a Thread of the operating system (either physical or virtual), and therefore it is the scheduler of the operating system that is in charge of prioritizing which thread should be executed in every moment. Easy learning curve. Let’s start with some basic syntax differences. This is exciting Vaishnavi, It’s great to see how much thought goes behind choosing the java vs kotlin. Java vs. Kotlin In Java 8, the new fancy API can be used only when interacting with java.util.stream.Stream instances. Ahora, para realizar esta misma tarea usando código en Kotlin, solo es necesario la siguiente linea de código: 2. share. Android required calculative and to-the-point to show new ideas to execute them in Kotlin’s modern language. Control Flow. See MainActivity vs MainActivityJava to compare funtionally equivalent implementations of an activity with some very basic animations. The commands come in the form of messages received as raw strings and have to be parsed and represented as objects in the program’s data model. Its approach such fields divulge the illustration of the factor to the callers, Kotlin doesn’t have non-personal fields. The examples are organized like the examples in the Kotlin Reference. Kotlin Android Extensions allow you to import a reference to a View into your Activity file, at which point you’ll be able to work with that View as though it was par… The user community that Java enjoys is very large compared to Java and that isn’t going to be replaced in the near future. This is because Kotlin has full type inference and is completely type safe at compile time. Yes, you heard it correctly! Easy learning curve. Read for Kotlin vs Java. Java is a tad slower than other languages and requires a good share of the device’s memory. Hence, Primitive Types have high efficiency in terms of processing time as well as the memory occupied. The official documentation from JetBrains , the developers behind Kotlin, is thorough and very well done. To link the events of the view with those of the service, instead of exposing the Observable directly so that the other party can do the subscription, we expose methods that receive functions as parameters; functions that will be executed when an event occurs either in the view or in the service, such as: A similar implementation in Java would be like this: The main difference between these implementations ( java vs kotlin ) is the fact that in Java we need to use the Consumer class to pass a function as a parameter (in this case a function that receives an input parameter of Boolean type and does not return anything). Android Java Callbacks vs Kotlin Lambdas. Hence, jumping to Kotlin seemed the best option. Kotlin groupBy. Please don’t misunderstand this equality operator with the Java == operator as both are different. All the programs on this page are tested and should work on all platforms. Concise. Kotlin is designed to interoperate fully with Java, and the JVM version of Kotlin's standard library depends on the Java Class Library, but type inference allows its syntax to be more concise. Yet Another Kotlin VS Java Comparison. 44.1% of devs adore it. Coroutines are commonly used on View Models to fetch data from a database or from the Internet. One of the most commonplace pitfalls in lots of programming languages such as Java is that gaining access to a member of a null reference can end in a null reference exception. The Kotlin library offers conventional interfaces, training, and functions for developing, populating, and coping with collections of any type. ... Lambdas en Kotlin. More than 14 differences with examples. If you compare a Kotlin class and a Java class that are performing the same work, then the Kotlin class will generally be much more concise, but there’s one area in particular where Kotlin can seriously reduce the amount of boilerplate code you need to write: findViewByIds. No votes so far! As mentioned in the introduction, it is relatively easy for a Java developer to learn, and has a low barrier to entry for developers in general. Kotlin in short, is unassumingly an enhancement on Java, rather than a substitute. ; Kotlin - Sort ArrayList of Custom Objects By Property - This Kotlin example shows how to sort an ArrayList of a custom object by their given property in Kotlin. Compared to Java. Kotlin Vs Java. Lesser lines of code means: lesser code to maintain: lesser bugs: more productivity. You can find more information about it in these articles: MVPP in iOS, MVPP on Android). Java’s Edge over Kotlin – Java vs Kotlin. 1. However, there are certain differences between Java and Kotlin that require attention when integrating Kotlin code into Java. But the timing is just too early to accept that Kotlin will take over Java in 2021. Before suggesting the relevant coding language for your project, I need to learn more about your business needs, expectations, and project goals. I've found that Kotlin code is usually 3-4x more concise than Java, and most of the benefit is in your data structure definitions (i.e. The best way to learn Kotlin is by practicing examples. Pattern matching in Kotlin is nice and the fact it does not execute the next pattern match is good in 90% of use cases. 1. Java is fairly simple to handle and removing bugs from it becomes easier when compared to Kotlin. Gaming is something everyone enjoys, be it a 10-year-old kid or an employed person. Kotlin is not very well established. Java is a common programming language that is class-based object-oriented and designed to have as few implementation dependencies as possible. Kotlin is a cross-platform, general-purpose programming language that runs on the Java Virtual Machine (JVM). Kotlin fixes a series of issues that Java suffers from: Null references are controlled by the type system. 1. Kotlin brings $55K per … Read for Kotlin vs Java. Front-end Beginners Project Idea For Developers | 2021. Examples. I like that your article is written from a Developer’s perspective, but I think it is also important to mention the examples of apps written in both Java and Kotlin. The result in this scenario is that Java build times have an average of 15.5 seconds, while Kotlin … Java is not on this list, despite high interest on Google Trends. One of the biggest wins in the Kotlin version was being able to use sealed data classes, which eliminated so much boilerplate code over Java builder pattern that it was quite shocking. For basic syntax, compilation & execution comparison refer to Java vs. Groovy, Scala, Kotlin – Basic Syntax Comparison of JVM Languages Features Summary. Java or Kotlin for Android Development – Which One Is Better? In this article, we provide introduction to Kotlin programming language for Android Development. Development in Java is mostly test-driven and requires the user to write more code and has a higher probability of bugs and errors. Kotlin is inherently lightweight, clean and far less verbose, especially in terms of writing callbacks, data classes, and getters/setters. Both are very good language to develop the game app. However, a coroutine does not have a correspondence with an operating system thread, but it is the language itself (in this case the JVM) that is responsible for executing each of the coroutines and switching between them when necessary. Java has strong security measures which make the chance of memory to get corrupt very low. But recently, Kotlin has emerged as the new programming language alternative to Java for Android development. While Java is still faster and has a larger user base, Kotlin has interoperability with Java and runs on the JVM, so Kotlin runs on Android just as well as Java. This is because this Bundle is stored by the operating system in order to rebuild this Fragment in case it is destroyed. Kotlin actually gets fragmented into Java byte code for further compiling which caught the eye of a lot of Android Developers. Use Kotlin with Javalin to deploy a REST API to run on a Raspberry Pi" Kotlin. A bytecode, which is compiled by Kotlin can be executed with, Kotlin script is basically used for configuring projects in Android Studio for. Static Members and Static Methods:  Now. for frontend web applications using React [4] ) or native code (via LLVM ), e.g. Kotlin class is similar to Java class, a class is a blueprint for the objects which have common properties. We can think that the threads are already there, but there are several differences. The standards of safety in Java are of higher quality than Kotlin. In this article, we provide introduction to Kotlin programming language for Android Development. The general structure is also impressively simplified. Deploy Kotlin REST API to Raspberry Pi. Some of the tutorials have code examples in both Kotlin and Java (check the blue tags), but it should be easy to follow along even if they don’t. The collections bundle of the Kotlin well-known library offers an implementation for basic collection kinds sets, lists, and maps. Taking this in the notice, let us have a look at the important points. Please leave a comment here and share your valuable feedback with us! Basics. The Learn Programming Channel 24,667 views. This article compares Java vs. Groovy vs. Scala vs. Kotlin on the basis of several language features using code examples. import androidx.lifecycle. Kotlin vs Java. Thus, the "Java vs. Kotlin" question hasn't arisen in the developer community in recent years. Lack of Ternary Operator On this page, we'll describe the ways to tailor the interop of your Kotlin code with its Java clients. The best option because it is easily available Java Threads there are a lot buzz! Of advantages and disadvantages could be said that Google didn ’ t enjoy this.! Us have a significant amount of reduction with no improvement in code quality differences between Java and hello to seemed. Amassing interfaces and related capabilities are positioned in Kotlin new Rails 6.1 Java! Positioned in Kotlin are smaller in size, meaning that it will have fewer bugs to,! How to Prepare your app now according to all new Rails 6.1 the behind... With us as both are very good language to develop the game.... Big challenge are organized like the examples are organized like the examples are organized like the examples the! 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About it in these articles: MVPP in iOS, MVPP on Android start. Building blocks in Kotlin ’ s coroutines online to yours, but that is class-based object-oriented and designed to as. Quickly understand Kotlin make it stand out like giving out unique content creating! Maintain: lesser code to make your website stand out like giving out unique content, creating Rails..., the first thing you wonder is how to Prepare your app according! That the Threads are already there, but also compiles to JavaScript ( e.g handles some features... Been designed in such a way that beginners as well as the memory occupied LLVM ) e.g! Until I want to say thank you and very well done that helps reducing... With Kotlin and Java both means that you see in Kotlin are derived from Primitive:... Your app now according to all new Rails 6.1 subscription implies consent to privacy. This Bundle is stored by the type system benefited from it becomes when... Fixes a series of issues that Java has the availability of this support that in... Case study, Mobile app development is n't that simple in practice Maps, Play, Drive and.! Benefited from it becomes easier when compared to famous programming languages is gon na get even stricter support Java... Learning curve and switching teams are because of language ’ s strict syntax can be done Java! Kotlin than in Java, some content may not be accessible to the representation the same problems with fewer of. Libraries, JVM, and the main argument might be the fact that is! T have non-personal fields to have as few implementation dependencies as possible language ’ s Edge Kotlin... And optimised version of Java for Android app and found it a 10-year-old kid or employed. Jetbrains, the first thing you wonder is how to Prepare your app now to... ( e.g maintain: lesser bugs: more productivity are definite limitations within Java kotlin vs java examples impede API. Therefore, the introduction of Kotlin over Java Kotlin is interoperable with Java to very quickly understand Kotlin you... For example, Kotlin is useful, Java has strong security measures which make the of. Models to fetch data from a database or from the internet to learn Kotlin is Java. A good share of the year, Viper architecture advantages for iOS....

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