Kotlin Interview Questions and Answers

Question: Tell me about the top features of Kotlin.

• Compact code: Kotlin is an OOPs-based programming language with code lines that may be reduced by up to 40% when compared to Java, making it an excellent choice for software development.
• Open Source: Kotlin for Android is open-source and uses the JVM to combine the benefits of OOPs and functional programming.
• Simple Language: When working with Kotlin, compiling the code is simple, resulting in improved performance for Android development. It also explains which types of data functions can be used throughout the code.
• High number of extensions: Without modifying the code, Kotlin may support a variety of extension functions. It aids developers in making existing code more appealing and wonderful.
• Full Java Interoperability: Java code can utilize Kotlin code, and Kotlin code can use Java code. So, if you're familiar with OOPS programming, switching to Kotlin development is simple. Also, if there are any Java-based applications, they can be used with Kotlin's environment.
• Smart Cast: Smart casting is a technique that reduces the cost of an application while also improving its speed and performance. It uses typecasting or immutable data to manage the efficiency of programming. This technique is supported by Kotlin.
• Low Learning Curve: Kotlin is preferred by businesses due to its low adoption cost. Most significantly, it is simple for developers to learn, especially if they have programming experience.