我正在为我的Hang子手游戏(SEE PICTURE HERE)制作键盘式按钮,我的问题是关于内部类。我读过关于内部类的LINK,它说您只能使用FINAL
类型访问外部变量。但是,如果我声明这个变量,我不能再改变它的值了......所以我的问题是我需要改变内部类中的值。我的代码如下:Java中的内部类
public class MainGame extends JDialog {
private String player;
private char [] wordChar;
private JButton[] buttons;
private int level;
private int score;
private int livesLeft;
private int missedGuess;
void newGame() {
level = 0;
score = 0;
livesLeft = 10;
missedGuess = 0;
//label1:
// while (livesLeft!= 0) {
//get random WORD from LIST
Word hiddenWord = new Word();
//put random word in Array
wordChar = new char[hiddenWord.getHiddenWord().length()];
wordChar = hiddenWord.getHiddenWord().toCharArray();
buttons = new JButton[wordChar.length];
for (int i = 0; i < wordChar.length; i++){
JButton guessWord = new JButton(" ");
guessWord.setFont(new Font("Microsoft Sans Serif", 1, 18));
guessWord.setEnabled(false);
jPanel3.setLayout(new GridLayout(1, wordChar.length));
jPanel3.add(guessWord);
buttons[i] = guessWord;
}
checkLetter();
}
void checkLetter() {
int checker = 0;
while(checker != wordChar.length){
jPanel1.setLayout(new GridLayout(3, 9, 3, 5));
for (char buttonChar = 'a'; buttonChar <= 'z'; buttonChar++) {
String buttonText = String.valueOf(buttonChar);
final JButton letterButton = new JButton(buttonText);
letterButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String actionCommand = e.getActionCommand();
for (int j = 0; j < wordChar.length; j++){
String text = String.valueOf(wordChar[j]);
if(actionCommand.equals(text)){
buttons[j].setText(text);
checker++; //THIS CODE IS NOT POSSIBLE!!!!
}
}
}
});
jPanel1.add(letterButton);
}
checker++;
}
}
注意:上面的代码不完整。 的int检查用于计算有多少正确的字母都已经猜到了,这样,如果它等于字的长度,我现在就可以进入到一个新的水平
我怎样才能重新做我的代码?
如果你解释一下`checker`在做什么,除了明显的控制检查,它可能会帮助人们提出设计方案。 – Carl 2011-01-30 13:51:59