What can you do?

Package Lu;
Import java. AWT .*;
Import java. AWT. event .*;
Import javax. Swing .*;

Public class Mine extends mouseadapter {

Private jframe mainframe;
Private int [] [] data;
Private jbutton [] [] buttons;
Private jbutton startjb;
Private Label L;
Private int row;
Private int Col;
Private int minenumber;
Private int minecount;
Private Boolean isover;

Public mine (){
Row = 15;
Col = 15;
Mainframe = new jframe (" lu1.0 ");
Data = new int [row] [col];
Buttons = new jbutton [row] [col];
Startjb = new jbutton ("START ");
L = new label ("Welcome to mine ");
Minenumber = row * COL/7;

}

Public void init (){
JPanel north = new JPanel ();
JPanel center = new JPanel ();
JPanel south = new JPanel ();
North. setLayout (new FlowLayout (); // Layout
Center. setLayout (new FlowLayout ());
South. setLayout (new GridLayout (row, col, 4, 1); // minefield
MainFrame. setLayout (new BorderLayout ());
MainFrame. add (north, BorderLayout. NORTH); // add a panel
MainFrame. add (center, BorderLayout. CENTER );
MainFrame. add (south, BorderLayout. SOUTH );
North. add (l); // add a tag
StartJB. addActionListener (new ActionListener () {// start button
Public void actionreceivmed (ActionEvent e) {// MMS starts
For (int I = 0; I <row; I ++ ){
For (int j = 0; j <col; j ++ ){
Buttons [I] [j]. setText ("");
Buttons [I] [J]. setbackground (color. White );
Data [I] [J] = 0;
Isover = false;
}
}
Hashmine ();
Minecount = 0;
L. settext ("Let's go! ");
}
});
Center. Add (startjb );
For (INT I = 0; I <row; I ++) {// initialization button
For (Int J = 0; j <Col; j ++ ){
Buttons [I] [J] = new jbutton ("");
Buttons [I] [J]. setname (I + ":" + J); // The button NAME records rows and columns
Buttons [I] [J]. setbackground (color. White );
Buttons [I] [J]. addmouselistener (this );
South. Add (buttons [I] [J]);

}
}
Hashmine ();
// Random Layout
}

Public void hashmine () {// randomly deploy the minefield
For (INT I = 0; I <minenumber; I ++ ){
Data [(int) (Math. random () * row)] [(int) (Math. random () * col)] =-1;
}
For (int I = 0; I <row; I ++ ){
For (int j = 0; j <col; j ++ ){
If (data [I] [j] =-1)
Continue;
Int sum = 0;
For (int m =-1; m <= 1; m ++ ){
For (int n =-1; n <= 1; n ++ ){
If (I + m> = 0 & j + n> = 0 & I + m <row & I + n <col ){
If (data [I + m] [j + n] =-1)
Sum ++;
}
}
}
Data [I] [j] = sum;
}
}
}

Public void start (){
MainFrame. setSize (800,600 );
MainFrame. setdefaclocloseoperation (JFrame. EXIT_ON_CLOSE );
MainFrame. setVisible (true );

}

Private void gameOver (boolean over ){
If (over = true ){
For (int I = 0; I <row; I ++ ){
For (int j = 0; j <col; j ++ ){
If (data [I] [j] =-1 ){
Buttons [I] [j]. setText ("M ");
Buttons [I] [j]. setBackground (Color. RED );
}
}
}
L. setText ("-_-");
IsOver = true;
Return;
}
Int sumPress = 0;
For (int I = 0; I <row; I ++ ){
For (int j = 0; j <col; j ++ ){
If (! Buttons [I] [j]. getText (). equals ("")){
SumPress ++;
}
}

}
If (sumPress = row * col ){
Int sum = 0;
For (int I = 0; I <row; I ++ ){
For (int j = 0; j <col; j ++ ){
If (data [I] [j] =-1 & buttons [I] [j]. getText (). endsWith ("M ")){
Sum ++;
}
}
}
If (sum> = mineNumber ){
System. out. println (mineNumber );
L. setText ("^_^ ");
}
}
}

Public void mousePressed (MouseEvent e ){
Try {
If (isOver)
Return;
If (e. getButton () = MouseEvent. BUTTON3 ){
JButton jb = (JButton) e. getSource ();
If (jb. getText (). endsWith ("M ")){
Jb. setText ("");
MineCount --;
Jb. setBackground (Color. WHITE );
}
Else {
If (mineCount <mineNumber ){
Jb. setText ("M ");
Jb. setBackground (Color. BLUE );
MineCount ++;
}
Else {
L. setText ("The mine glag is over! ");
}
}
}
Else {
JButton jb = (JButton) e. getSource ();
MousePress (jb );
}
}
Catch (Exception ex ){
Ex. printStackTrace ();
}
GameOver (false );
}

Private void mousePress (JButton jb ){
String str [] = jb. getName (). split (":");
Int I = Integer. parseInt (str [0]);
Int j = Integer. parseInt (str [1]);
If (data [I] [j] =-1 ){
GameOver (true );
Return;
}
Else {
Jb. setText (data [I] [j] + "");
Jb. setBackground (Color. YELLOW );
If (data [I] [j] = 0 ){
For (int m =-1; m <= 1; m ++ ){
For (int n =-1; n <= 1; n ++ ){
If (I + m> = 0 & j + n> = 0 & I + m <row & I + n <col ){
If (buttons [I + m] [j + n]. getText (). equals ("") mousePress (buttons [I + m] [j + n]);
}
}
}
}
}
}

Public static void main (String [] args ){
Mine mine = new Mine ();
Mine. init ();
Mine. start ();
}

}

Exception in thread "main" java. lang. ArrayIndexOutOfBoundsException: 15
At lu. Mine. hashMine (Mine. java: 82)
At lu. Mine. init (Mine. java: 67)
At lu. Mine. main (Mine. java: 196)