I am creating a basic connect 4 game in java.
For this I have created a 2d array, board[][] of size 8 * 8.
To make it look a decent game, I want to make it seem as if the player tokens fall through the column to the space just above the occupied grid.
However, the code that I have written generates an ArrayIndexOutOfBoundsException. Please check the code below and tell me where I must be going wrong.
int a[] = {0,0,0,0,0,0,0,0};//stores the no. of empty space in each column
char board[][] = new char [8][8];
System.out.println("\n >>>-\\/->>> ENTER THE COLUMN NUMBER : PLAYER "+current_player+" :PLAYER TOKEN :"+current_player_token);
colno=Integer.parseInt(br.readLine());
tmp=a[colno-1];
//this will do the printing and initiate the falling effect only till the time required
for (k=0 ; k<7-tmp ; k++ )//k here represents the loop control variable that determines how long the element will seem to fall until it reaches the empty space
{
System.out.print("\f");
System.out.println(" 1 2 3 4 5 6 7 8 -COLUMN");
for( i=0 ; i<8 ; i++ )
{
System.out.print(" ");
for( k=1;k<=9;k++)
System.out.print("---------");
System.out.println();
System.out.println();
System.out.print(" |");
for ( j=0 ; j<8 ; j++ )
{
System.out.print(" "+board[i][j]+" |");
}
System.out.println();
System.out.println();
}
System.out.print(" ");
for(k=1;k<=9;k++)
System.out.print("---------");
//the lines below generates an ArrayIndexOutOfBoundsException
board[k][colno-1]=current_player_token;
if(k!=0)
{
board[k-1][colno-1]=' ';
}
