Kotlin vs Java: Which will Succeed Android Development in Coming Times?

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Kotlin vs Java is the new furor for all those who write Android apps that can compile and run on Java Virtual Machine (JVM). Verbose but Interoperable, improves Android development?

Right since Java originated, mobile app developers have been using it to develop Android apps. But few know that Android has officially adopted Kotlin as the supported language for mobile development services. Android developers are often confused as to which programming language would acquire the scenario in future but Java is still favorite for Android App Development. It is second most popular language (67%) on GITHUB in 2018 after JavaScript (97%). One of the burning questions these days is a differentiation between Java and Kotlin. Android apps can be written in any language and can run on Java virtual machine (JVM). Kotlin is one such JVM compatible programming language that compiles down to Java bytecode and has really caught the attention of Android Community.

Instead of browsing all the way down, according to me, by all odds it’s Kotlin.

Kotlin was first introduced by JetBrains in 2011, which is the originator of IntelliJ IDEA, PyCharm, and many other top IDEs. It got its name from ‘Kotlin Island’ in St. Petersburg, Russia. Kotlin was actually created to be better than Java in every possible way. But JetBrains didn’t put an effort to write an entire new IDE’s from scratch. This was the reason why Kotlin was made 100% interoperable with Java. If you’re planning to fiddle around with Kotlin along with Java, you can do that without guilt.

Also read: Kotlin is the New Java for Developing Android Apps

Why would a Java Developer switch to Kotlin?

Java is a widely used programming language and forms the basis of Android development. There can be many reasons why Java cannot always be considered the best choice for Android development.

Reasons can be:

  • Java is not a modern language
  • Android only supports a subset of Java 8 features. In a way, Android developers are not able to reap full benefits of Java. In case they require making use of Java, then they will have to stick to Java 7.
  • Java comes with some well-documented language issues like endless try-catch blocks, null-unsafety, NullPointerExceptions and lack of extendability.
  • Java is still a procedural language although it is starting to add lambda expressions and functional interfaces recently
  • The syntax of Java is very complex and writing longer code can always be prone to more errors and bugs
  • Java can create issues with Android API design
  • Do you still need to remember most of the code while you code in Java? It can be creepy and messy sometimes!

How can Java to Kotlin conversion be done?

Heard about JetBrains’ Java to Kotlin converter integrated into IntelliJ ? It seems like an easy option but is not completely error free. But it can help save a lot of code. Migrating the entire Java code can be tiresomely long without it.

How can switch from Java to Kotlin be helpful?

  • Kotlin is definitely a modern answer to older Java. There are some factors that make Kotlin stand out from the crowd, as there are many options available
  • Kotlin is simultaneously operable with Java. We can have both Java and Kotlin code co-exist within a single project. Both codes can compile perfectly and users are not even able to make out which part of the code is Kotlin and which part is Java.
  • Kotlin and Java classes can be written simultaneously. There is no requirement to convert the entire project to Kotlin or starting a new project. Alternatively, small chunks of codes can be written in Kotlin and can be inserted as and when required, without affecting the entire code.
  • Kotlin has the majority of Java libraries and frameworks
  • Kotlin is a simple enhancement of Java, so a java developer or an existing java application user will be easily able to comprehend what Kotlin code is doing. It looks familiar, the code is easy to read and understand.
  • Kotlin aims to gel up with the best of both functional as well as procedural approaches, as there is no easy answer to which approach is best.
  • Android studio has an excellent support for Kotlin. After you install Kotlin plugin, Android Studio makes it easy to configure Kotlin plugin in your project. Once this is done, the IDE will automatically understand the underlying functionality like Kotlin code compilation, and execution. Debugging, code navigation, unit testing, auto-completion and full refactoring support. Once all of this is set, converting an entire Java code into Kotlin can be accomplished in a single click.

Lopping off

Out of various programming paradigms, which are currently in use, it’s not easy to evaluate which approach will turn out to be the best or reap rewards beyond expectations. Each of these programming paradigms has their own set of strengths and weakness. There can be various scenarios where functional programming approach can be effective while procedural approach can be simultaneously used in other places.

Is the differentiation between functional and procedural apt? Kotlin is the merger of both functional and procedural approach and aims to bring out the best from the two. Once you gain an experience in Java application development, you will have an even better understanding and appreciation for Kotlin. We have coalesced android app developer India, who will delight you with their expertise in Android Development. We are just a call away!

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About Author
Neeti Kotia

Neeti Kotia

Neeti got her master's degree in software engineering in 2009 and has been working since for software companies of all sizes as a technical writer. What started as a high school passion has now been converted into a serious profession. She has a special knack of learning from all verticals and imbibing the extracts into her writing. She enjoys learning technical aspects of writing from her tasks where her experience and understanding are most impactful.

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  • rajat naik

    “Java is still a procedural language although it is starting to add lambda expressions and functional interfaces recently” Java is the first object oriented programming language. Now every programming laguage follows the trend.

    • Java will remain the de-facto programming language, enable Android developers to write managed code and keep a check on their Android device. It is a building block for programming on Android platform. Mobile Application Development for Android platform starts with Java + Android SDK. As we think of upgrading our applications, add some new features, fight off with the issues of previous version, Kotlin comes into picture. As latter sweepstakes the scenario, it can be considered as a reliable and tranquil option to Android application development.

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