
Kotlin: val mutableList vs var immutableList. When to use which?
Aug 7, 2018 · var - value/reference assigned to a variable can be changed at any point of time. val - value/reference can be assigned only once to a variable and can't be changed later point …
Kotlin Lists: Mutable vs. Immutable | by Thaer Alkhishen - Medium
Feb 6, 2024 · In Kotlin, collections are categorized into two main types: immutable (read-only) and mutable (modifiable). Understanding the difference is crucial for writing efficient and safe Kotlin...
Kotlin Variables - GeeksforGeeks
May 10, 2025 · In Kotlin, variables are declared using two types: Immutable is also called read-only variables. Hence, we can not change the value of the variable declared using 'val' …
Kotlin Variables and Data Types - BeginnersBook
Feb 20, 2019 · There are two types of variables – mutable and immutable. An immutable variable is one whose value cannot be changed, also known as unchangeable or read-only variable. …
Kotlin: val mutableList vs var immutableList. When to use which?
What is difference between mutable and immutable in Kotlin? Mutable – The contents of the list can be freely changed. Read-Only – The contents of the collection are not meant to be …
Kotlin Variables and Basic Types - DataFlair
Mutable variables are handy when you need to update or modify the stored data during program execution. Difference between var and val in Kotlin: Variables declared with val are immutable, …
Understanding Kotlin val vs. var: A Quick Comparison
Dec 11, 2024 · Both val and var can be used as local variables, class properties, or even within functions. The key difference lies in mutability: val means immutable, while var allows …
Understanding `val` and `var` in Kotlin: Immutability and
Dec 29, 2023 · In Kotlin, the choice between val and var reflects the balance between immutability and mutability. By understanding and leveraging these keywords appropriately, developers …
Is var str: String mutable or immutable? - Stack Overflow
Jun 17, 2017 · Mutable refers to the value - the data - that the variable points to. Reassignable refers whether you can point a variable to different data (a different value). What's the …
Learn Kotlin: Data Types & Variables Cheatsheet - Codecademy
A mutable variable is declared with the var keyword and represents a value that is expected to change throughout a program. An immutable variable is declared with the val keyword and …