public abstract class AbstractGuessGame {
private int number;
public void setNumber(int number) {
this.number = number;
}
public void start() {
showMessage("歡迎");
int guess = 0;
do {
guess = getUserInput();
if(guess > number) {
showMessage("輸入的數字較大");
}
else if(guess < number) {
showMessage("輸入的數字較小");
}
else {
showMessage("猜中了");
}
} while(guess != number);
}
protected abstract void showMessage(String message);
protected abstract int getUserInput();
}