蜗牛第" + day + "天爬到了井口

今天第一段要学习的内容是
public class Snail {
public static void main(String[] args) {
int distance = 0;
int day = 1;
while (true) {
distance += 2;
if (distance >= 10) {
break;
}
distance -= 1;
day++;
}
System.out.println("蜗牛第" + day + "天爬到了井口。");
}
}