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class buttonHandler implements ActionListener {
MyButton btn;
//¹¹Ôì·½·¨£¬µÃµ½ÐèÒª´¦ÀíµÄbutton
public buttonHandler(MyButton button) {
btn = button;
}
public void actionPerformed(ActionEvent e) {
changeRound(btn);
if (isWin()) {//Èç¹ûÓ®ÁË£¬ÏÔʾһ¸ö¶Ô»°¿ò
disableAll(); //²»ÄÜÔÙµã»÷ÁË¡£
JOptionPane.showMessageDialog(null, "¹§Ï²¹§Ï²£¡Äú¹ý¹ØÁË");
}
}
}

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public void changeRound(MyButton btn) {
int i = btn.getXCord();//È¡µÃ°´Å¥ËùÔÚµÄλÖÃ
int j = btn.getYCord();
buttons[i][j].changeColor(); //ÏÈ×Ô¼º±äÉ«£¬Ò²¿ÉÒÔbtn.changeColor();
if (j > 0) {
buttons[i][j - 1].changeColor();//ÉÏ
}
if (j < N - 1) {
buttons[i][j + 1].changeColor();//ÏÂ
}
if (i > 0) {
buttons[i - 1][j].changeColor();//×ó
}
if (i < N - 1) {
buttons[i + 1][j].changeColor();//ÓÒ
}
}
  
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 //˼·£º½«ËùÓеİ´Å¥µÄ±³¾°É«¶¼²éÒ»±é
 public boolean isWin() {
boolean flag = true;
for (int i = 0; i < N; i++) {
for (int j = 0; j < N; j++) {
if (buttons[i][j].getBackground() == Color.white) {
return false;
}
}
}
return flag;
}
  
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public class OddTest {
public static boolean isOdd(int i){
return i % 2 != 0; //±È½Ï i % 2 == 0;×¢£º -1%2 = -1
}
public static void main(String[] args) {
for(int i = -10; i <= 10; i++) {
System.out.println(isOdd(i));
}
}
}
// ......
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