Snippet 1
Two dimensional array:
int[][] twoD_arr = new int[10][20];
Three dimensional array:
int[][][] threeD_arr = new int[10][20][30];
Snippet 2
//Length
int[][]arr= new int [filas][columnas];
arr.length=filas;
int[][] a = {
{1, 2, 3},
{4, 5, 6, 9},
{7},
};
// calculate the length of each row
System.out.println("Length of row 1: " + a[0].length);
System.out.println("Length of row 2: " + a[1].length);
System.out.println("Length of row 3: " + a[2].length);
}
Snippet 3
int[][] arr = new int[m][n];
Snippet 4
# In python, one dimensional array look like this:
array = ['plain', ' and ', 'boring!']
# and I'd call an index of that one dimensiona list like this:
print(array[2])
>> boring!
# "Okay, nice, but what is a 2D array?" I hear you ask...
# Well, a 2D array would look like this:
array = (['wow, ', 'that is ', 'so ']
['cool', ' it has ', 'two rows!'])
# The 2D array has two rows instead of one.
# You can call its index like this:
print(array[1][2]) # [1] is the index of the second row and [2] is the index
# for 'two rows!'
>> two rows!
# And a 3D array would look like this:
array = ([1, 2, 3]
[4, 5, 6]
[7, 8, 9])
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