Explain var vs val in Kotlin

beginner

Re-explain

val: Immutable reference (read-only), similar to final in Java. The reference cannot be reassigned, but the object itself may be mutable
var: Mutable reference, can be reassigned

val name = "John"        // Cannot be reassigned
var age = 25            // Can be reassigned
age = 26                // Valid
val list = mutableListOf(1, 2, 3)
list.add(4)             // Valid - object is mutable
// list = mutableListOf() // Error - reference is immutable

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