Answer
A static class cannot be instantiated.
It contains only static members and is commonly used for utility functions.
Quick Answer
A static class cannot be instantiated — you can never do new MathHelper(). All members must also be static. Use it for utility functions that need no state — math operations, string formatting, or extension method containers. Static classes are sealed by default.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ