Quiz Complete, well Done!
To initialize a 2 dimensional array, you need to specify the number of rows and
it will have.
The second index of a 2 dimensional array refers to the
number.
How do you declare a 2 Dimensional Array in Java?
What is a 2 Dimensional Array?
Nested Arrays
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Access
What is the time complexity of accessing an element in a 2 Dimensional Array?
What is the number of rows in the following 2 dimensional array?
int arr[3][4];
What is the maximum number of dimensions a multidimensional array can have in most programming languages?
How do you iterate through a 2 Dimensional Array?
The first index of a 2 dimensional array refers to the
number.
How do you find the number of columns in a 2 Dimensional Array?
2D Array
Traversal
9. The length of a 2 dimensional array is given by
for the rows and by [[len(array_name[0])]] for the columns.
How do you access an element in a 2 dimensional array?
Which of the following is a real-life example of a 2 dimensional array?
7. To access a specific element in a 2 dimensional array, you use the syntax
row_indexcolumn_index.
4. To declare a 2 dimensional array in Python, you use the syntax
= [[[[value1, value2], [value3, value4]]]].
