作者查詢 / ssccg
作者 ssccg 在 PTT [ java ] 看板的留言(推文), 共2140則
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3F→: id裡又沒有btn這個陣列,你要用名稱要用reflection10/12 22:01
5F→: 這跟static和先後沒關係,class宣告先後沒有差10/11 22:05
6F→: private不會被繼承,用B的reference是不能呼叫的10/11 22:06
7F→: 改成 ((A)b).showData(); 就可以10/11 22:06
8F→: 不是看scope,是看reference是什麼type10/11 22:09
9F→: 在class A中只是隱含都用type A的this reference去呼叫10/11 22:10
13F→: 沒錯還是要在class裡面才能用10/12 00:11
14F→: 應該說非static的member,除了scope還要看reference type10/12 00:14
4F→: 只要最多和次多,就拿前(or後)兩個放到ArrayList回傳就好啊10/10 23:20
5F→: 還有map中已有該string的情況你value應該從map中取吧...10/10 23:27
4F→: ArrayList那個constructor就是addAll,原本的collection10/10 23:21
5F→: 是不是view哪有差,就對新的list做事而已啊10/10 23:22
25F→: 學校程式設計本來就不會教這個10/10 13:10
26F→: 除非很偏應用的課,不然通常重點在概念,沒時間講所有工具10/10 13:15
27F→: 而作為基本知識的regex在本科會有門課叫formal language10/10 13:16
2F→: 跟有沒有NIO沒有關係,NIO是API不是protocol09/12 19:13
8F→: 耗資源有什麼關係? 資源不就拿來耗的,你有更重要的東西需09/08 22:49
9F→: 在跑嗎?09/08 22:50
16F→: 在學寫程式前,不先學一下計概嗎09/04 15:09
1F→: obj就是個reference,只要把reference存下來就好09/02 16:35
1F→: private不會被繼承所以不會被override09/02 13:03
3F→: 從Student的參考呼叫,printPerson()還是Person的09/02 16:11
4F→: 並沒有複製一份到Student然後改呼叫Student的getInfo()09/02 16:12