作者查詢 / jtorngl
作者 jtorngl 在 PTT [ java ] 看板的留言(推文), 共88則
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6F推:以前的經驗,Service或Manager會做transaction control09/03 02:59
2F→:(2) 可以new LinkedList<xxx>()或任何 is a List的class07/31 20:52
3F→:Role的問題,可以看head first design pattern第一章07/31 20:53
4F→:如果java的polymorphism你看不懂的話07/31 20:54
5F→:head first java說明多型時是用動物(園)當例子,也容易懂07/31 20:56
4F→:唯讀就不要提供setter囉07/13 13:23
5F→:再說getter、setter裡面可以有「封裝」而需的邏輯07/13 13:25
6F→:比如存提款不得小於0,那可能就會判斷拋出Exception07/13 13:28
2F→:animal物件因為你用Animal宣告,所以只能用Animal的行為10/22 21:20
3F→:除非你將animal轉型為Dog,然後animal實際是Dog類別的物件10/22 21:22
2F→:想要指定viewClass也找不到HTML對應的view11/27 12:03
3F→:所以要不就換resolver,要不就把html改成jsp來解決囉?11/27 12:05
1F推:Head First Servlet&JSP,不過去書局翻翻看你喜歡哪本最準08/04 22:54
2F→:我第一個bean註解了07/27 18:59
1F推:equals() equalsIgnoreCase()07/28 12:05
2F→:字首有A, if (t1.indexOf("A") == 0) ?07/28 12:20
3F推:也想問, 相同的變數不會反白標示, 該如何調回來06/05 22:04
1F→:疑是JSPBook內lib的servlet-api.jar或jsp-api.jar有問題04/22 10:07
2F→:移除後目前可執行範例了04/22 10:09