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AP CSA Unit-Level MCQ

Code Tracing: 2D Array Basics

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Code Tracing: 2D Array Basics MCQ Practice

Code Tracing: 2D Array Basics AP Computer Science A topic practice with 50 original Java MCQs and immediate explanations.

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What is printed by this 2D Array Basics code trace?

int[][] grid = {{2, 5, 1}, {4, 3, 6}, {7, 0, 8}};
int total = 0;
for (int r = 0; r < grid.length; r++) {
  int c = (r + 0) % grid[r].length;
  total += grid[r][c] * (r + 1);
}
System.out.print(total);