[Solved] In Swift, what capability does declaring a variable with var provide? — Ans: Allows the variable's value to be changed after initialization | Swift

Swift - Variables and Constants

In Swift, what capability does declaring a variable with var provide?

AAllows the variable's value to be changed after initialization

BDeclares a constant value that cannot be changed

CDefines a function

DSpecifies a type alias

Step-by-Step Solution

Solution:

Step 1: Understand var keyword
The var keyword in Swift declares a variable whose value can be modified after it is set.
Step 2: Differentiate from let
let declares constants which cannot be changed once assigned.
Final Answer:
Allows the variable's value to be changed after initialization -> Option A
Quick Check:
Variables declared with var are mutable [OK]

Quick Trick: Use var for changeable values, let for constants [OK]

Common Mistakes:

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In Swift, what capability does declaring a variable with var provide?