Jagged arrays
The last variant of arrays to be described in this book is jagged arrays, also referred to as an array of arrays. It sounds complicated, but fortunately, it is very simple. A jagged array can be understood as a single-dimensional array, where each element is another array. Of course, such inner arrays can have different lengths or they can even be not initialized.
Imagine a jagged array
If you want to better imagine a jagged array, stop reading this book for a moment, open your calendar, and switch its view so that it presents the whole year. It contains 365 or 366 boxes, depending on the year. For each day, you have a different number of meetings. On some days, you have three meetings, while on others, only one or even zero. Your holidays are marked in the calendar and blocked for meetings. You can easily imagine an application of a jagged array in this case. Each day box is an element of this array and it contains an array with data of meetings organized on a...
