Why is it a good idea to check that the current column number is less than arrayName[i].length before attempting to access arrayName[i][j]?
A) Rows might have a different number of columns.
B) Accessing columns that do not exist will result in ArrayIndexOutofBoundsException at run time.
C) The column number must be within the range of 0 to arrayName[i].length - 1.
D) All of these are correct.

Question

Quizplus · Accepted Answer

Checking the column number ensures that you do not access an index that is out of bounds, which can happen if rows have different lengths, preventing runtime exceptions.

Why Is It a Good Idea to Check That the Current