//Origin, Destination, Date of Dept, Time of Dept, Date of Arr, Time of Arri, Fare, Seats, Unique ID.
Trip t1 = new Trip("City1", "City2", "18-12-20", "10:00", "18-12-20", "12:30", 23, 50, 1);
Trip t2 = new Trip("City2", "City1", "18-12-20", "13:00", "18-12-20", "15:30", 25, 50, 2);
Trip t3 = new Trip("City3", "City4", "18-12-20", "10:15", "18-12-20", "11:45", 12, 40, 3);
Trip t4 = new Trip("City4", "City3", "18-12-20", "12:15", "18-12-20", "13:45", 12, 40, 4);
有没有一种方法,我可以将所有这些对象存储到一个arraylist中,而不知道可能有多少对象?
3条答案
按热度按时间pgvzfuti1#
你是说这样的事吗?
uxhixvfz2#
ArrayList
添加更多数据时自动调整自身大小,因此无需提前知道对象的数量。7ajki6be3#
如果需要一次将所有行程添加到arraylist中,那么可以这样做