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我寫了一天類,現在我想比較一天中的兩個對象,以查看哪一天是在之後。compareTo導致堆棧溢出
但問題是,當我試圖用的compareTo到兩天相比,它會導致堆棧溢出
這是一天班,我創建,請幫忙看看,爲什麼我不能使用的compareTo。
public class Day implements Cloneable,Comparable<Day>{
private int year;
private int month;
private int day;
private static final String MonthNames="JanFebMarMayJunJulAugSepOctNovDec";
//Constructor
public Day(int y, int m, int d) {
this.year=y;
this.month=m;
this.day=d;
}
public void set(String sDay)
{
String[] sDayParts = sDay.split("-");
this.year = Integer.parseInt(sDayParts[2]);
this.day = Integer.parseInt(sDayParts[0]);
this.month = MonthNames.indexOf(sDayParts[1])/3+1;
}
public Day(String sDay)
{
set(sDay);
}
// Return a string for the day like dd MMM yyyy
public String toString() {
return day+"-"+ MonthNames.substring((month-1)*3,month*3)+ "-"+ year;
}
@Override
public int compareTo(Day another)
{
return this.compareTo(another);
}
當然是的。你所有的compareTo方法都會調用它自己! –