2 replies to this topic

[Tonchi]

This is quote from specification:

Quote

For example, int[] is a single-dimensional array of int, int[,] is a two-dimensional array of int, and int[][] is a single-dimensional array of single-dimensional arrays of int.

i don't understand the bold one...in C language int[][] is two-dimensional array but here is not...can somebody help me to understand this???

[WingedPanther]

Here's the key:

int[] myArray declares a reference to a one dimensional array. You will have to use the new operator to create an actual array.
int[,] myArray declares a reference to a two dimensional array. You will have to use the new operator to create an actual array, and it will be rectangular.
int[][] myArray declares a reference to a one dimensional array of references to one dimensional arrays of ints. You will need to use a new operator to create an actual array of references, and run through a loop to create the sub arrays. The result may or may not be rectangular.

[Momerath]

int[][] myArray - This is known as a jagged array, as the number of columns in each row don't have to be the same.