How to feed an array?

can somebody please give me some help on this
i have an 2D table that is stored in a database
in order to manipulate this, i will have to get JAVA to recognize the table values as an array
how do i do that? i mean make that table an array for manipulation.
will i have to continue to use SQL statements too (which i tried but i can't seem to arrow in on that particular cell)
will really appreciate the help

yes yes its an example of 2D array. (2D - 2dimensions).
Example :
int[][] arr = {
    {1,2,3,4},
    {1,2,3},
    {1,2},
    {1},
Now arr[0][0] is contains the value 1
arr[0][1] is contains the value 2
arr[0][2] is contains the value 3
arr[0][3] is contains the value 4
arr[1][0] is contains the value 1
arr[1][1] is contains the value 2
arr[1][2] is contains the value 3
arr[2][0] is contains the value 1
arr[2][1] is contains the value 2I hope it would clear your doubts about arrays and you can mode ahead.
What i meant by
2.load it with data from database in one of the dimension :
store data in
arr[0][0], a[0][1], a[0][2], a[0][3]........
3.Do your calcualtion and store them in the second dimension :
store calculated data in
arr[1][0], a[1][1], a[1][2], a[1][3]........

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