$ rustc array4.rs 
$ ./array4
array[0][0] = 1
array[0][1] = 2
array[0][2] = 3
array[0][3] = 4
array[0][4] = 5
array[1][0] = 11
array[1][1] = 12
array[1][2] = 13
array[1][3] = 14
array[1][4] = 15
array[2][0] = 21
array[2][1] = 22
array[2][2] = 23
array[2][3] = 24
array[2][4] = 25