Variable as a nullable string and then during the access of this variable, you need to use a safe call operator i.e. So, to assign null values to a variable, you need to declare the So, the following code in Kotlin will produce a compile-time error: In Java, if you access some null variable then you will get a One of the major advantages of using Kotlin is null safety. Learn more about the difference between const and val from MindOrks blog Variable can be assigned at runtime also. Variable must be known at the compile-time whereas the value of the What is the difference between the variable declaration with val and const?īoth the variables that are declared withĪre immutable in nature. Variables can't be changed once assigned.Ĥ. If you want to declare some mutable(changeable) variable, then you can use What is the difference between the variable declaration with var and val? Learn about these features from MindOrks videoģ. The name of the bytecode file will beĪnd this file will be executed by the JVM. Is compiled then it will eventually turn into a class and then the bytecode of the class will be generated. Just like Java, the Kotlin code is also compiled into the Java bytecode and is executed at runtime by the Java Virtual Machine i.e. So, in case you want to dive deeper into that topic, then you can go through that link as well. To make the article short and simple without reducing the number of questions, I have put the short and crisp answers to every question and along with that, I have added the link of the blog related to that concept. So, if you are preparing for Android Interviews, then this article is a must for you. Here in this article, I will be sharing some famous Kotlin Android Interview questions that are asked in Android Interviews.
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