Is theare a 3D array

Answer 1

Here is example

I think this is helpful for you;
int arr[][][] =
{
index 0 in 3D array
{
index 0 in 2D array
{
0, inedx 0 in 1D array
1,
2
},

{},
{}
}

{
{},{}{}
}
};

Answer 2

You can create 3d array by making an array of 2d array.