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作者 AI3767 在 PTT [ java ] 看板的留言(推文), 共190則

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Re: [問題] Java的Hex code的問題

[ java ]3 留言, 推噓總分: 0

作者: nbaw2003tw - 發表於 2014/08/24 12:57(11年前)

1^F→AI3767: java在輸出字串到檔案時, 會經過decode步驟, 像是"MS950",08/24 18:45

2^F→AI3767: "BIG5", "UTF8"等(上面打錯,是encode), 輸出的bytes會長不08/24 18:48

3^F→AI3767: 一樣. 如果你想輸出必然的bytes, 可改用輸出bytes的API08/24 18:49

[問題] 迴圈第一輪執行的時間

[ java ]13 留言, 推噓總分: +6

作者: BoInE - 發表於 2014/07/11 16:04(11年前)

10^F推AI3767:也許是硬碟或OS的cache07/12 04:14

[問題] 如何多個同名main類別

[ java ]7 留言, 推噓總分: +3

作者: dharma - 發表於 2014/07/10 22:46(11年前)

5^F推AI3767:public static void aaa(Class c) throws Exception {07/11 01:08

6^F→AI3767:System.out.println(c.getDeclaredField("num").get(c)); }07/11 01:08

Re: [分享] java nio performance tuning

[ java ]4 留言, 推噓總分: +1

作者: realmeat - 發表於 2013/10/05 14:19(12年前)

3^F推AI3767:是說 nio 和 io 的速度差不多嗎@@?10/05 19:49

4^F→AI3767:我剛測了1.6g nio:io = 5.351:31.106 秒 = ="10/05 20:08

Re: [分享] java nio performance tuning

[ java ]17 留言, 推噓總分: +1

作者: AI3767 - 發表於 2013/10/04 01:42(12年前)

16^F→AI3767:沒有呀 S2 也是read byte版, while迴圈內, 不用再加迴圈10/05 20:59

[分享] java nio performance tuning

[ java ]11 留言, 推噓總分: +5

作者: dryman - 發表於 2013/10/03 13:45(12年前)

7^F推AI3767:NIO看來不錯用 ^^10/04 01:50

[問題] 顯示到小數點後第幾位

[ java ]12 留言, 推噓總分: +2

作者: cej12313 - 發表於 2013/08/13 20:46(12年前)

1^F→AI3767:也許你是要 printf,String.format,或java.util.Formatter08/13 20:53

Re: [問題] 字串處理問題

[ java ]4 留言, 推噓總分: 0

作者: danielkimo - 發表於 2013/08/04 16:43(12年前)

2^F→AI3767:用遞迴寫吧, 主要要判斷{與}的相對性08/04 23:23

Re: [問題] 字串處理問題

[ java ]6 留言, 推噓總分: +4

作者: popcorny - 發表於 2013/08/04 00:27(12年前)

3^F推AI3767:不是 5會得(A,F). 而是5(A,F)或A:5={F} 是已有的事實資料08/04 01:31

4^F→AI3767:話說,要寫Compiler, 用CompilerCompiler較輕鬆吧XD08/04 01:34

Re: [問題] 當JMenuBar遇上awt

[ java ]10 留言, 推噓總分: +4

作者: sbrhsieh - 發表於 2013/07/21 16:08(12年前)

1^F→AI3767:我覺得他的問題只是想問怎麼知道menu現在是否有點開07/21 18:59

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