A 2-dimensional array of ints, has been created and assigned to a2d. Write an expression whose value is the number of elements in the first row. (Assume the array is not empty.)

LANGUAGE: JAVA

CHALLENGE:

A 2-dimensional array of ints, has been created and assigned to a2d. Write an expression whose value is the number of elements in the first row. (Assume the array is not empty.)

SOLUTION:

a2d[0].length