Irregular Arrays

When you allocate memory for a multidimensional array, you need to specify only the memory for the first (leftmost) dimension. You can allocate the remaining dimensions separately. For example, the following code allocates memory for the first dimension of table when it is declared. It allocates the second dimension manually.

Image

Although there is no advantage to individually allocating the second dimension arrays in this situation, there may be in others. For example, when you allocate dimensions separately, you do not need to allocate the same number of elements for each index. Since multidimensional arrays are implemented as arrays ...

Get Java, A Beginner's Guide, 5th Edition, 5th Edition now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.