This method is meant to find any cell that is matching two aligned cells and store them in a temporary matrix. However whenever I run the program, I get an out of bounds error. The matrix is 3x3. How can I make it stores any 3 matching adjacent cells in the tempMatrix.
public void matchMatrix(){
int[][] tempMatrix = new int[rowsN][columnsM];
for(int i = 0; i < matrixArr.length; i++){
for(int j = 0; j < matrixArr.length; j++){
if((matrixArr[i][j] == matrixArr[i + 1][j] && matrixArr[i][j] == matrixArr[i + 2][j]) || (matrixArr[i][j] == matrixArr[i][j + 1] && matrixArr[i][j] == matrixArr[i][j + 2])){
tempMatrix[i][j] = matrixArr[i][j];
}
}
}
for(int i = 0; i < matrixArr.length; i++){
for(int j = 0; j < matrixArr.length; j++){
if(matrixArr[i][j] == tempMatrix[i][j]) System.out.println("[ ] ");
else{
System.out.print("[" + matrixArr[i][j] + "] ");
}
}
System.out.println();
}
System.out.println();
}