我有这个代码:
public String toString(Day day)
{
String s = day.getDayName() + " " + day.toString();
return s;
}
这是Day类的toString方法:
public String toString()
{
String s = "";
for (Slot slot: slots)
s += slot.toString();
return s;
}
当一遍又一遍地调用它时会打印:
barbi
monday 10: X 11: 12: 2: 3: 4:
tuesday 10: 11: 12: 2: 3: 4: X
wednesday 10: 11: 12: 2: 3: 4:
thursday 10: 11: 12: 2: 3: 4:
friday 10: 11: 12: 2: 3: 4:
bobbi
monday 10: 11: …