日期:2014-05-20 浏览次数:20839 次
class rec implements Comparable{
int x,y;
public int compareTo(Object o) {
return 0;
}
}
public int compareTo(Object o) {
rec t = (rec) o;
if (this.x == o.x) {
return this.y - o.y;
}
return this.x - o.x;
}