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16 May, 2018

How Kotlin Makes Coding Easy For Android Developers?

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Reasons-to-Use-Kotlin-instead-of-Java

Kotlin is now an officially supported language in Android which is developed by JetBrains. It’s expressive and powerful. It is like a boon for the Android developers.

Reasons why we have to use Kotlin instead of java

    • Kotlin is multi-platform
      • With Kotlin you can do Android development, front End, server development, and can also write Gradle script.
    • Java developers can understand most of the codes without ever having written a line of Kotlin,  So Java developers can easily accept Kotlin.
    • It’s much safer than java
      • It’s an easily removable nullpointerException.
      • Kotlin contains less code than java hence chances for code failure are very less, and therefore it becomes more stable.
      • Kotlin code is easier to understand when someone else reads it and, again, it’s more difficult to introduce errors.
  • Advantage of Kotlin
    • It helps developers to make their app developing process faster. In Kotlin 20% less coding is needed compared to Java.
    • It is a very simple language as compared to Java and easy for freshers to learn and use. It is accessible with an intuitive syntax that enables developers to learn quickly.
    • The best advantage of Kotlin is you can add Kotlin class in your project even if your project is developed in java.
    • All the libraries that are working for the Android project are supported by Kotlin so don’t worry to use third party libraries in your Kotlin project.
    • It enables the developers to use the Java frameworks in their new Kotlin projects by using latest frameworks without the need of changing the whole project in Java.
    • Kotlin supports open developer networks and the depth of open source makes the network strong which however is not restricted to any single company.
    • Kotlin Android programming language App development has been made available for free. You don’t need to worry about the costing or charges here.
    • Kotlin provide smart type casting
      • 1
      • It’s easy to remove nullpointerexception in Kotlin
        Ex:2here? sign check that object is null or not. if it is null than compiler does not allow to run that particular sequence.
      • In Kotlin we can assign functions default value as a parameter
        Ex:3
      • Most useful things of Kotlin is lambda expressions.
  • Use of Lambda  in Kotlin
    • What is lambda?
      • Lambda is a way of representing a function in Kotlin
      • Ex. for how to define setOnClickListener in Lambda expression.4
    • Here we define some of the most useful lambda functions in development so you can easily use that functions and reduce your line of code for better App performance.
      • filter()
        • Filter return the element which satisfies your defined condition
          Ex.5
        • Here it is autogenerated parameter which we don’t specify.
      • map()
        • Map applies your condition in all elements of your collection
          Ex.6
        • You can use both filter() and map() function together
          Ex.7
      • all()
        • All functions check that, are all the elements of collection satisfying a condition
          Ex.8
      • any()
        • Any function is working like or condition in java. It returns true if only one element satisfies the condition.
          Ex.9
      • count()
        • Find return first element which satisfies your condition
          Ex.10
      • find()
        • Find return first element which satisfies your condition
          Ex.11

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