[Solved] Find the error in this Swift code snippet:var text = "Swift" text[0] = "s" — Ans: Strings cannot be indexed by integer subscripts | Swift

Swift - Data Types

Find the error in this Swift code snippet:

var text = "Swift"
text[0] = "s"

AString must be declared with let, not var

BCannot assign lowercase letter to uppercase string

CStrings cannot be indexed by integer subscripts

DMissing import statement for String manipulation

Step-by-Step Solution

Solution:

Step 1: Understand Swift String indexing
Swift strings do not support direct integer indexing like arrays; you must use String.Index.
Step 2: Identify the error cause
Using text[0] causes a compile error because integer subscripts are not allowed.
Final Answer:
Strings cannot be indexed by integer subscripts -> Option C
Quick Check:
Use String.Index, not integer, to access characters [OK]

Quick Trick: Use String.Index, not integer, to access characters [OK]

Common Mistakes:

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