eternity5219
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add integer to array list (URGENT)
HI experts,
I want to create a 2d array of time array list, called Darray
ArrayList [][] DArray= new ArrayList [9][9];
and then give it values
DArray[i][j].add((int)boar
which the value is integer value of a 2d array
but it gives me compilation error
any idea how to fix it?
I want to create a 2d array of time array list, called Darray
ArrayList [][] DArray= new ArrayList [9][9];
and then give it values
DArray[i][j].add((int)boar
which the value is integer value of a 2d array
but it gives me compilation error
any idea how to fix it?
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ASKER
yes I want a 9by 9 matrix of arrayList
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ASKER
81 ArrayLists each acting as a one-dimensional array
I need to solve Sudoku with arc consistenct method, so what I really need to do is to check each cell and save all of the possible numbers for that position in one array, there could be only one number or several number, but the problem is, I have my initial sudoku board as a 2 D array, and there are some filled cells on it, which I need to move those numbers into my 3d array ,(or I was thinking about 2d Arraylist),
and I cant do this becuz I cant assign and int value to arraylist,
I need to solve Sudoku with arc consistenct method, so what I really need to do is to check each cell and save all of the possible numbers for that position in one array, there could be only one number or several number, but the problem is, I have my initial sudoku board as a 2 D array, and there are some filled cells on it, which I need to move those numbers into my 3d array ,(or I was thinking about 2d Arraylist),
and I cant do this becuz I cant assign and int value to arraylist,
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Java is a platform-independent, object-oriented programming language and run-time environment, designed to have as few implementation dependencies as possible such that developers can write one set of code across all platforms using libraries. Most devices will not run Java natively, and require a run-time component to be installed in order to execute a Java program.
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ASKER
this one gives error (I use eclipse)
error is : (cannot create a generic array of arraylist)