作者查詢 / LPH66
作者 LPH66 在 PTT [ java ] 看板的留言(推文), 共657則
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1F推: 相關資訊: http://en.wikipedia.org/wiki/ISO_week_date01/17 13:02
2F→: 是說這 bug 還不只 java 要小心, 任何有日期格式化的程式01/17 13:03
3F→: 都要注意才行....01/17 13:03
1F推: 我倒是認為會有這種想法的初學者是需要導正一下的01/09 22:29
2F→: 編譯式語言有一些編譯式資訊到了執行期是找不出來的01/09 22:30
3F→: 原 PO 所問的變數名即是其一, 因此與其丟給他 spec 去挖01/09 22:31
4F→: 不如告訴他這一點分別會比較好01/09 22:32
5F→: s/編譯式資訊/編譯期資訊/01/09 22:32
1F推: 你想宣告這樣的變數做什麼?01/09 20:34
2F→: 仔細考慮一下你想做的事是不是可以直接使用變數陣列01/09 20:35
3F→: 如果不行的話, 你要的或許是 HashMap<K,V>01/09 20:36
1F推: 對, 因為 a b 變數跟 a b 參考的物件成員是不同變數12/27 02:56
7F推: 這在別的語言 (eg. C++) 叫做 operator overloading12/19 22:51
8F→: 但 Java 沒有這種東西12/19 22:51
1F推: 它在講的是 C/C++ 這些語言裡的"指標運算"12/18 20:56
2F→: 而不是不支援指標12/18 20:57
7F推: ex2 裡你改到的是一個 Ex2 的 instance 裡的成員12/17 22:06
1F推: 注意 nextLine 回傳了什麼東西12/15 23:49
1F推: 關鍵字: static method / 靜態方法11/30 21:11
3F→: 那這就是「繼承vs合成」的老問題了 XD11/25 00:55