What happens in Swift when you add two Int8 numbers and the result exceeds the maximum value of Int8 without using overflow operators?

easy📝 Conceptual Q11 of 15

Swift - Operators and Expressions

What happens in Swift when you add two Int8 numbers and the result exceeds the maximum value of Int8 without using overflow operators?

AThe program causes a runtime error and stops.

BThe result wraps around automatically without error.

CThe result is set to zero.

DSwift converts the result to a larger integer type automatically.

Step-by-Step Solution

Solution:

Step 1: Understand Int8 limits
Int8 can hold values from -128 to 127. Adding beyond 127 causes overflow.
Step 2: Behavior without overflow operators
Swift checks for overflow and triggers a runtime error if it happens without using special operators.
Final Answer:
The program causes a runtime error and stops. -> Option A
Quick Check:
Overflow without &+ causes error [OK]

Quick Trick: Overflow without &+ causes runtime error in Swift [OK]

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