C#.NET — Consider the declaration: int[, ] intMyArr = { {7, 1, 3}, {2, 9, 6} }; Which statements about intMyArr are correct?

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Solve this multiple-choice question and choose the correct option.

Accepted Answer

Introduction / Context:Rectangular arrays in C# are true multi-dimensional arrays (as opposed to jagged arrays of arrays). Knowing how to interpret bounds and length avoids off-by-one errors. Given Data / Assumptions: The array literal shows two inner rows with three elements each. Indices are zero-based. Concept / Approach:A 2x3 rectangular array has row indices 0..1 and column indices 0..2. GetUpperBound(dimension) returns the highest valid index on that dimension. Length returns total elements (rows * columns = 6). Step-by-Step Solution: 1) Rectangular 2 rows × 3 columns — True.2) GetUpperBound(1) → last column index = 2 — True.3) Length = 6, not 24 — False.4) Not a 1-D array — False.5) GetUpperBound(0) = 1 (rows 0..1), not 2 — False. Verification / Alternative check:Simple console prints confirm that intMyArr.Length == 6, GetUpperBound(0) == 1, GetUpperBound(1) == 2. Why Other Options Are Wrong: B/C/D/E: Each includes at least one false claim (3, 4, or 5). Common Pitfalls:Confusing element count (Length) with byte size or misremembering 1-based versus 0-based indices. Final Answer:1, 2

C#.NET — Consider the declaration: int[, ] intMyArr = { {7, 1, 3}, {2, 9, 6} }; Which statements about intMyArr are correct?

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