What are some use cases for nested arrays in programming?
Nested arrays are useful for representing complex data structures, like matrices, trees, or hierarchical data.
Can you give me an example of a nested array?
Sure! A nested array could look like this: [[1, 2, 3], [4, 5, 6], [7, 8, 9]]
, representing a 3x3 matrix.
How would I access an element in a nested array?
You can access elements using multiple indices. For example, array[1][2]
would give you 6
from the previous matrix.
What are some common mistakes when using nested arrays?
Common mistakes include incorrect indexing, assuming all sub-arrays are the same length, and not handling empty arrays properly.
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