ySŅzJavaæā„ ..
208:189
07/05/06 22:07:18
>>207
±¤Åµå¤©H
synchronized public void mouseDragged(MouseEvent evt) {
if (shapeBeingDragged == null) return;
int x = evt.getX();
int y = evt.getY();
Dimension cs = this.getSize();
int maxw = cs.width - shapeBeingDragged.width;
int maxh = cs.height - shapeBeingDragged.height;
if (x < 0) x = 0; else if (x > maxw) x = maxw;
if (y < 0) y = 0; else if (y > maxh) y = maxh;
shapeBeingDragged.moveBy(x, y);
repaint();
}
synchronized public void mouseReleased(MouseEvent evt) {
if (shapeBeingDragged == null) return;
int x = evt.getX();
int y = evt.getY();
Dimension cs = this.getSize();
int maxw = cs.width - shapeBeingDragged.width;
int maxh = cs.height - shapeBeingDragged.height;
if (x < 0) x = 0; else if (x > maxw) x = maxw;
if (y < 0) y = 0; else if (y > maxh) y = maxh;
shapeBeingDragged.moveBy(x, y);
shapeBeingDragged = null;
repaint();
}
URLŲŻø(a-draw.com)
209:ftHg̼³µ³ń
07/05/06 22:14:49
>208
¢¢ń¶įČ¢©Č
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210:189
07/05/06 22:39:11
>>209
^C}[ĶsķźÄ¢Ü¹ńB
211:ftHg̼³µ³ń
07/05/06 23:10:12
>210
moveBy()ÅĮZµÄ¢é椾©ēČŗĢę¤É«·¦ÄŻÄ
left = dx;
top = dy;
212:ftHg̼³µ³ń
07/05/07 12:40:08
ńĀĢNXŖ Į½ĘµÄ
Class1ĢĆ·½ÄĢØ°ŁÄŽÉClass2Ģ\bhĢŹš\¦³¹½¢ńÅ·ŖĒĢę¤Čū@Ŗ
čÜ·©??\bhĶųšą½Č¢ąĢʵÄ
213:ftHg̼³µ³ń
07/05/07 12:45:05
SocketChannelÅreadÅ-1ŖAĮÄéČOɳķŲfš»f·éū@Ķ čÜ·©B
FINÅIķĮ½Ģ©Ē¤©Ŗm轢ŷB
214:213
07/05/07 12:47:44
Class1ĢCX^XšClass2ÉOɽ³¹ÄØ¢Ä
Class2Ģ\bhĢŹŖÅ½^C~OÅ
Class2Å۵ĢéClass1ĢCX^XĢeLXgtB[hÉ\¦³¹é
215:ftHg̼³µ³ń
07/05/07 14:25:23
>>214
čŖĘ¤Å·
class2{
class1 cls=new class1
cls.text.setText(Ź);}
±Ģę¤ÉāĮÄŻ½ńÅ·Ŗ\¦µÄźÜ¹ńEEE
“×°ĶČ¢ńÅ·ŖĒ±ŖŌįĮÄÜ·©H
216:ftHg̼³µ³ń
07/05/07 14:41:05
>>215
class1ÅĢeLXgtB[hĢsetTextĶæįńĘ¢ÄéĢH
217:ftHg̼³µ³ń
07/05/07 14:41:55
>>213
> readÅ-1ŖAĮÄéČOɳķŲfš»f·éū@
޵ėA±Įæ©ē close() µÄŻéB
½ŌńAčĶFINtOšóÆęéĶøB
}WX·éĘAdlÉ¢ÄČ¢Č糾ƻf·×«B
218:213
07/05/07 15:08:55
>>217
>>}WX·éĘAdlÉ¢ÄČ¢Č糾ƻf·×«B
X čŖĘ¤BJavadocÉĶ©¢ÄČ¢ńÅ·ęB
FINtOšóÆęĮÄĢread=-1ČĢ©A»Ģ¼ĢāčÅĢread=-1ČĢ©š»fµ½¢¾ÆČĢÅ·ŖA
ū@Ŗ³ĮϵŷB
219:213
07/05/07 15:14:18
>>215
class Class2 {
private Class1 target;
public void setNotifyTarget(Class1 target) {
this.target = target;
}
public void Kekkadasu() {
nankaNoSyori();
target.text.setText("Iķč");
}
}
public static void main(String[] args) {
Class1 cls1 = new Class1();
Class2 cls2 = new Class2();
cls1.text.setText("O");
cls2.setNotifyTarget(cls1);
cls2.Kekkadasu();
}
ݽ¢Č©ń¶ÅĶǤŵ天B
220:ftHg̼³µ³ń
07/05/07 15:38:45
æāČĢÅ·Ŗ
interfacešpµÄclassšģ¬µÄ¢Ü·
쬵½classšp·éŪAŻčt@CāDB©ēĒŻń¾¶ńšpµÄ
®IÉnew·éĪŪšwčµ½¢ĢÅ·ŖāčūŖķ©ēČ¢Ģų¦Ä¾³¢
URLŲŻø(www.wikiroom.com)
ĢclassšįÉ·éĘA
PerformableC^[tFCXšpµ½EntertainerNXĘAthleteNXŖ¶Ż·éĘ«É
Żčt@CÉ
Entertainer
Ę©źÄ¢½ē
Performable test = new Entertainer();
ŖĄs³źA
Athlete
Ę©źÄ¢½ē
Performable test = new Athlete();
ŖĄs³źéę¤Éµ½¢Å·
į¾ĘclassŖ2Ā̽ßifÅ»fµ½ēę¢ĢÅ·Ŗ
ĄŪÉĶsčČ1ĀČćĢ”classŖÆźĢC^[tFCXÅč`³ź
»źēĢĒźšp·é©šDBĢ}X^e[u©ēclass¼šĒŻńÅA»ĢĒŻń¾¶ńÉÄnewšs¢½¢ĢÅ·
ܽAclassĶsčśÉĒĮ³źAp³źéĀ\«Ŗ čÜ·
±¤¢Į½ĄĶoČ¢Ģŵ天
ąµĶAĄÅ«éźAĒĢę¤É¶ńĢclass¼šwčµ½ēę¢Ģŵ天
ę뵨˪¢µÜ·
221:ftHg̼³µ³ń
07/05/07 16:03:23
>>220
ClassNXšg¦Ī¢¢ń¶įĖH
forName() Ę newInstance() ½čB
@@@String str;
@@@Performable perf;
@@@@/* ±ĢÖńÉŻčt@C©ē
@@@@@@NX¼šĒŻoµÄ str É
@@@@@@ćü·éŖ éĘ·éB
@@@@@*/
@@@@try {
@@@@@@@Class c = Class.forName(str);
@@@@@@@perf = c.newInstance()
@@@@} catch (Exception e) {
@@@@@ // įO
@@@@}
¾¢½¢Ģ¬źĶ±ńČ“¶ÅB
222:ftHg̼³µ³ń
07/05/07 16:07:10
>>220
java.lang.Class.forName(String className)#newInstance()
223:ftHg̼³µ³ń
07/05/07 16:15:30
>>213
ūܵ½II
ǤāēPČ~XšµÄ¢½ę¤Å·OOG
¢ė¢ėQlÉČčܵ½
čŖĘ¤²“¢Ü·m(__)m
224:ftHg̼³µ³ń
07/05/07 16:49:50
æāÅI
a,b,cĘ¢¤listĘzńÉüĮÄé"a","b","c"̶ńšärµ½¢ĢÅ·Ŗ
Ǥµ½ē¢¢Åµå¤©HH
225:ftHg̼³µ³ń
07/05/07 17:06:34
> a,b,cĘ¢¤listĘzńÉüĮÄé"a","b","c"̶ńšärµ½¢ĢÅ·Ŗ
šßĢdūŖ” ĮÄA
ļĢIɽŖĒ[ČĮÄé̩Ǫ©ēńB
226:224
07/05/07 17:30:16
½µ©Éķ©čɢŷI·¢Ü¹ń
a,b,cĘ¢¤ŚŖ ĮÄÅĶIĪźÄ¢Č¢óŌÅ·ęĖB
ÅzńÉͱĢę¤ÉĶ¢ĮÄ¢Ä
zń1@zń2
`»Ż@a
a»Ż@b
b»Ż@a
c»Ż@c
zńašwčµ½ēlistŚĢbšIš³¹éĘ¢Į½“¶Å·
227:224
07/05/07 17:32:46
Ōį¦Üµ½
zńPĢašwčµ½ēÅ·Ė
228:ftHg̼³µ³ń
07/05/07 17:34:21
ÅAØOͽŖķ©ēń̾
229:224
07/05/07 17:42:22
ŚšIš³¹éÉĶselectµ©Č¢©Ē¤©ĮıĘÅ·
select¾Ęintµ©wčūȢ©ēŖņ³¹éµ©Č¢Ģ©ĘEEE
230:ftHg̼³µ³ń
07/05/07 17:44:54
>>229
java.awt.List ĢbŵåH
ČēAŚIš·éÉĶ[UŖģ·é© select(int) ·éµ©Č¢B
231:224
07/05/07 17:48:53
ķ©čܵ½
čŖĘ¤²“¢Ü·I
232:ftHg̼³µ³ń
07/05/07 17:54:40
Ū»ĪĢźÉAUTF-8Ŗ½Ģp³źéĢĶČŗÅ·©H
JavaŖUTF-8šĢpµÄ¢é©ē©AASCII¶ĘĢea«Ŗ¢©ē©ČB
@ØĒĢę¤ČbgŖ é©ķ©ĮĢȢŷŖc
Java=jR[h=ALL2oCgĘvĮĽÆĒAį¤ńÅ·Ėc
UTF-8ĶAX|X«¢Ę© čÜ·H
233:ftHg̼³µ³ń
07/05/07 18:08:58
>>221
>>222
m©É»źÅOKÅ·
åĻ×ÉČčܵ½
čŖĘ¤²“¢Üµ½
234:ftHg̼³µ³ń
07/05/07 18:15:51
>>232
> Ū»ĪĢźÉAUTF-8Ŗ½Ģp³źéĢĶČŗÅ·©H
Ū»ĪÅ Shift_JIS Ę© EUC-JP Ķg¦Č¢ÅµåB
ISO-2022Åą éöxۻūéÆĒAĄŹ|³¢µB
> Java=jR[h=ALL2oCgĘvĮĽÆĒAį¤ńÅ·Ėc
= šĒ[ä[ÖWĢĀąčÅ¢ÄéĢ©Ŗ©ēńĢÅAČńĘą¾¦Č¢B
> UTF-8ĶAX|X«¢Ę© čÜ·H
źÉęéB1MKoCgĘ©ĢnÅ©¢eLXgĒń¾ēX|X«Čé¾ė¤µB
235:ftHg̼³µ³ń
07/05/07 18:56:09
>UTF-8Ŗ½Ģp³źéĢĶČŗÅ·©H
1oCgÅ«čéAŖUnicodeĄ·éĘ«y¾©ēB
PLÖWČĄŅĢsŵ©Č¢B
236:ftHg̼³µ³ń
07/05/07 20:09:21
GfBAŖ¶ŻµČ¢Ę©A
ASCIIĘŻ·«Ŗ éĘ©A
oCgwü¾Ę©A
CCSŖUCS4¾Ę©A
\ÖČGR[fBO¶įńB
237:ftHg̼³µ³ń
07/05/07 20:41:32
JavaßÄ20śÅ·B
pāčšš¢Ä¢éĢÅ·ŖA
eTCgA`ohŻÄąA
±źšg¤Ę©\¢Ę©ŖÅıȢąĢ
ŖÅīܵ½B
±¤¢¤źĶǤµ½ē
Ē¢Ģŵ天B
ܽ ½šg¤Ę©Ģ
Šēß«ĶǤµ½ē
ŻÉĀĢŵ天H
238:ftHg̼³µ³ń
07/05/07 20:46:56
> Šēß«ĶǤµ½ē
}TKÅĮPµÄ±¢B
239:ftHg̼³µ³ń
07/05/07 21:21:53
String strɽ©¶ŖüĮÄ¢éʵܷB
±ĢÉüĮĢ鶪®©Ē¤©²×éÉĶǤ¢¤É·źĪ¢¢Åµå¤©H
240:ftHg̼³µ³ń
07/05/07 21:25:01
>>239
ź¶¾Æ²×éČē Character.isDigit(str.charAt(0))
241:ftHg̼³µ³ń
07/05/07 21:30:50
ź¶ÅĶȶńš²×éźĶ¼Éū@ čÜ·©H
±ĢCharacter.isDigit(str.charAt(0))šforƩŶ¶Üķ·Ę©µ©Č¢Åµå¤©H
242:ftHg̼³µ³ń
07/05/07 21:36:06
parseIntŤܢ©Ē¤©²×é
243:ftHg̼³µ³ń
07/05/07 21:42:05
³K\»
-?[0-9]+
Ę©
244:ftHg̼³µ³ń
07/05/07 21:48:53
Čń©
@isDigits\bhĶwč³ź½¶ńŖ¾ÆšÜީǤ©šŌµÜ·Bį¦ĪNumberUtils.isDigits("123")ĶtruešŌµÜ·B
URLŲŻø(www.atmarkit.co.jp)
Ę©¢ÄéńÅ·ÆĒA±źĮĽ©g£µČ¢Ę¾ßČńÅ·ęĖEEE
245:ftHg̼³µ³ń
07/05/07 22:45:01
JAVAĢüåÉŚĮÄéÅĢR[hšĄsµ½ēA
X11ĢCuŖĖ¦Ę©¾ĮÄ{ēź½ęB
{š©½ēwinpĢ{¾Į½B
JAVAĮÄ»¤¢¤ĢĶzūµÄźČ¢ĢČB
ČńÅą¢¢©ēEBhEo¹ā{PĘv¢Üµ½
246:ftHg̼³µ³ń
07/05/07 22:46:42
>>230
java.awt.List ĢbŵåH
GXp[·°[
247:ftHg̼³µ³ń
07/05/07 22:57:23
Linux©?
JavaĢA»¤¢¤·šzū·éŖ(AWT)ŖX11šKvƵĢéĢęB
248:ftHg̼³µ³ń
07/05/07 23:00:29
>>245
±ĢÓ©ÄAfXNgbv}l[WŖüĮÄé©mFµÄB
URLŲŻø(java.sun.com)
ęŁĒĢģĒfBXggĮÄéĘ©ÅČ¢ĄčĶAGnomeŖWÉČĮÄéĘv¤ÆĒB
249:ftHg̼³µ³ń
07/05/07 23:37:33
>>236
GfBAĶČ¢ŖBOMYźÄézŖ½¢ŖČB
250:ftHg̼³µ³ń
07/05/08 00:06:19
GfBA³ÖW¾©ē±»BOMĶ{sv¾µ
251:ftHg̼³µ³ń
07/05/08 00:07:45
TCgÉßÜźÄéjavaAvbgĢ\[Xšmč½»Ģy[WĢ\[Xš²×ÄA
ut@C¼v.classĢt@CšDLµ½ĢÅ·ŖAeclipseāeLXgÅJĘig£qš.javaɵ½čµÄ)
A¶»ÆµÄ¢ÄĒŽ±ĘŖÅ«Ü¹ńB
±Ģę¤Č.classt@CĶĒŽ±ĘŖÅ«Ü·©H
252:ftHg̼³µ³ń
07/05/08 00:09:56
>>236
ś{źĶåļRoCgÉČéĢŖT©µ¢ÆĒČB
253:ftHg̼³µ³ń
07/05/08 00:21:12
>>251
oCiGfB^B
Ā[©ČńÅoCgR[hÉ\[XŖÜÜźÄń¾Ę¬źŌEEEB
f¼ÉØAč¾³¢B
254:ftHg̼³µ³ń
07/05/08 00:26:11
oCiGfB^ŖAGb^É©¦½“ĶAjI^
255:ftHg̼³µ³ń
07/05/08 00:26:43
>250
URLŲŻø(unicode.org)
An initial BOM is only used as a signature \
an indication that an otherwise unmarked text file is in UTF-8.
256:251
07/05/08 00:31:40
>>253
šµ¹ĖÄܵ½
.classt@Cš.javaÉĻ·Å«éū@Ķ čÜ·©H
257:ftHg̼³µ³ń
07/05/08 00:33:43
URLŲŻø(allabout.co.jp)
258:ftHg̼³µ³ń
07/05/08 00:58:49
>>255
¾©ēH
UTF-8ĢBOMĶGR[fBOĢFÆøxšć°é碵©šÉ½½Č¢µA
Żé±ĘÅ¢é±ĘĢūŖ³Ä¢é±Ęęč½¢Ęv¤ŖB
UTF-8 must contain a BOM.¶įČÄUTF-8 can contain a BOM.Ä¢Ä é¶įČ¢©B
¾©ēABOMt«š×ÆÉ͵ȢÆĒA©Ŗ©ēķ“ķ“tƽč͵½Č¢ČB
259:ftHg̼³µ³ń
07/05/08 03:00:17
>>256
javap
fBXAZuĘ©fRpCÅOOź
óCĒßéę¤ÉČė¤ĖB
260:ftHg̼³µ³ń
07/05/08 04:19:20
GridBagLayoutŖÜńdz·¬é
±Ģ碩RŖ¢ÄąĮĘyČĢ źĪ³¦Ä
261:ftHg̼³µ³ń
07/05/08 04:39:21
SpringLayoutĘ©ĶH
»ź©©RŖ¢ÄąĮĘyČĢš©ģ·é
262:260
07/05/08 05:14:33
>>261
čŖĘ¤
¢µÄŻé
263:ftHg̼³µ³ń
07/05/08 05:40:55
>>261
>SpringLayout
Ö[±ńČCAEg}l[WŖ Į½ń¾
±źĮÄ@\IÉNeXTĘ©Mac OS XĢCAEg@\ĘŁŚÆ¶¾Ė
¼«·éĢĶßńĒ»¤¾ÆĒSunŖc[špÓµÄéĢ©
”xgĮÄŻę¤
URLŲŻø(bean-builder.dev.java.net)
264:ftHg̼³µ³ń
07/05/08 06:19:25
GroupLayoutĮÄĢąę³°
¢ė¢ė ń¾Ė
ą¤GridBagLayoutg¤Ģāßę¤
265:ftHg̼³µ³ń
07/05/08 06:29:07
NeXTStepąOSX௶APIÅ·ŗ
266:ftHg̼³µ³ń
07/05/08 07:54:18
JavaÉĄĮ½±ĘÅĶ čܹńŖAzńŌĮÄǤµÄ0©ēnÜéńŵå¤B
1©ēĢŁ¤ŖFX·ńČčsĘv¤ĢÅ·B
267:ftHg̼³µ³ń
07/05/08 07:56:51
>>266
FX·ńČčĮÄį¦ĪH
268:ftHg̼³µ³ń
07/05/08 07:57:14
ź·źZ¾ŖAåĢÉØ¢Ä 0 ĢūŖÖB
ČÉ©ĘvZŹšøē¹éB
269:ftHg̼³µ³ń
07/05/08 08:40:45
>>267
źĀŚĢvfF array[0]@ęč
źĀŚĢvfF array[1]@ĢŁ¤ŖŖ©čā·©R¾Ęv¤ńÅ·B
ൠȽŖ»¤vķČ¢ČēA»źĶvO}[ʵÄĢĻ_šłÉĮÄ¢é©ēŵå¤B
xŌŚĢvfĢY¦Ķx-1Å·ŖA±źŖx-372¾Į½Ęµ½ē
OŌŚĢvfĢY¦ĶA¦`ĮƢ¾HĮıĘÉČčÜ·ęĖB
>>268
ČéŁĒAm©É»¤Å·B
[¾µÜµ½B
270:ftHg̼³µ³ń
07/05/08 09:12:46
>>269
ŹIÉÅĶČwW¾©ē0©ēĶR¾ĘØą¤ęB
čKŖP©ēnÜéĢŖ©R¾ĘĶvķČ¢B
271:ftHg̼³µ³ń
07/05/08 09:20:39
URLŲŻø(swfup.info)
Ŗ±ĢtbV
š©Äź
ąµAQĮµ½ČĮ½ē
ś{ļÕĢt]II@XxjAš²«PĘSŹÖ
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šjIuŌɺвQĮšIII
DZ©ēU±³ź½©ą«ńÅĖ[
272:ftHg̼³µ³ń
07/05/08 10:37:37
SŅÅ·
textfieldÉ"java"ĘüĮĽƵÄA»źÉεÄwčµ½¾Æ"*"šĒĮµ½¢ńÅ·Ŗ
Ǥµ½ę¢Åµå¤H
wčµ½ŖRČē"java***"Ę¢Į½“¶Å·B
lĶĻÉĶ¢ĮÄÜ·B
273:ftHg̼³µ³ń
07/05/08 10:44:54
+
274:ftHg̼³µ³ń
07/05/08 11:27:08
>>273
½¶©wč·éÉĶǤµ½ē¢¢Å·©H
275:ftHg̼³µ³ń
07/05/08 11:56:41
>>274
źšśJavan߽ΩčĢIŖ¦ÄŻę¤B
public static void main(String[] args) {
String hoge = "java";
String fuga = "*";
int piyo = 3;
for(int i = 1; i <= piyo; i++){
hoge += fuga;
}
System.out.println(hoge);
}
276:ftHg̼³µ³ń
07/05/08 11:57:45
TNXI
āĮĻJčŌ·µ©Č¢Ģ©ČEEE
277:ftHg̼³µ³ń
07/05/08 12:02:39
>>276
>wčµ½¾Æ"*"šĒĮ
ĮÄ_ÅJčŌµĶK{¾Ęv¤ń¾ÆĒB
JčԵŽ©s«¢±ĘÅą éĢ©H
278:ftHg̼³µ³ń
07/05/08 14:30:20
>>266
wĢb¾ŖwẔėw³tŖ³¦Äź½B
lŌÄĢĶńš©ĀÆÄµÜĮ½©ēĢOͳš\·
ÅĶČAš¢ÄN_ĘČéēµ¢B
½ąČ¢ķÆÅĶČuOvĘ¢¤Ŗ¶ŻµÄ¢éB
¾©ēwIÉĶO©ēnÜéONZēµ¢B
279:278
07/05/08 15:06:44
»¤¢¦ĪAĮÄĢĶ+©-ūüɳĄÉLŃÄ¢ÆĒ0Ķ»ĢĒæēÅąČ¢}OĘ¢¤óŌÅEEEʱ«
ÅIIÉ^wĢbÉČĮ½©ēCɵȢūŖĒ¢ęB
ĮÉOĘzńĘZLĢÖWČńÄB
280:ftHg̼³µ³ń
07/05/08 15:12:02
>>266
>>269
JavaÉĄĮ½±ĘÅĶ čܹńĮÄFORTRANvO}ĢĻ_̧źĶc
281:ftHg̼³µ³ń
07/05/08 15:23:45
>>276
ǤµÄąĘ¢¤ĢČēJčŌµĒĮ·éąĢŖ¶ńÅȶĄč¾ŖA
public static void main(String[] args) {
String s = "java";
char c = '*';
int n = 300;
char[] cs = new char[n];
java.util.Arrays.fill(cs, c);
System.out.println(s + String.valueOf(cs));
}
ݽ¢ÉJčŌµ¶š©ŖÅͩȢū@Ŗ é±ĘÉĶ éB
ĘAJčŌµÅStringÉĒĮ·éźĶA
StringBuffer©StringBuilderš¾¦IÉgĮ½ūŖ¢¢©ąµźČ¢B
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282:ftHg̼³µ³ń
07/05/08 15:30:50
>>280
FORTRAN ĶER¾©ēB
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283:ftHg̼³µ³ń
07/05/08 15:40:07
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284:ftHg̼³µ³ń
07/05/08 16:36:02
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285:ftHg̼³µ³ń
07/05/08 16:53:18
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286:ftHg̼³µ³ń
07/05/08 16:58:15
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287:ftHg̼³µ³ń
07/05/08 17:02:10
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288:ftHg̼³µ³ń
07/05/08 17:04:56
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07/05/08 17:13:24
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290:ftHg̼³µ³ń
07/05/08 17:19:35
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291:ftHg̼³µ³ń
07/05/08 17:22:28
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292:ftHg̼³µ³ń
07/05/08 18:57:16
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293:ftHg̼³µ³ń
07/05/08 20:10:01
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294:ftHg̼³µ³ń
07/05/08 21:19:16
pattern = Pattern.compile("ٰٰ");
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295:ftHg̼³µ³ń
07/05/08 21:26:02
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07/05/08 21:45:18
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297:ftHg̼³µ³ń
07/05/08 21:59:50
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298:ftHg̼³µ³ń
07/05/08 22:00:27
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299:ftHg̼³µ³ń
07/05/08 22:08:12
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300:ftHg̼³µ³ń
07/05/08 22:18:58
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String[] tbl = {"*******","******","*****","****","***","**","*",""};
String word = "java";
System.out.println(word + tbl[word.length()]);
301:ftHg̼³µ³ń
07/05/08 22:24:37
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07/05/08 22:44:48
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07/05/08 23:00:53
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310:ftHg̼³µ³ń
07/05/08 23:04:57
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311:ftHg̼³µ³ń
07/05/08 23:13:37
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312:ftHg̼³µ³ń
07/05/08 23:40:25
>>298
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313:ftHg̼³µ³ń
07/05/08 23:46:54
>>311
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314:ftHg̼³µ³ń
07/05/08 23:52:09
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315:ftHg̼³µ³ń
07/05/08 23:59:53
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316:ftHg̼³µ³ń
07/05/09 00:17:28
>>314
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07/05/09 00:28:02
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318:ftHg̼³µ³ń
07/05/09 00:32:29
>>315
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319:ftHg̼³µ³ń
07/05/09 00:43:45
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int hoge(int *a, int *b){
*a = 123;
*b = 456;
return 789;
}
int x, y;
int result = hoge(&x, &y);
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int hoge(int[] a, int[] b){
a[0] = 123;
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return 789;
}
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int result = hoge(x, y);
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320:ftHg̼³µ³ń
07/05/09 00:50:29
>>319
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321:ftHg̼³µ³ń
07/05/09 00:51:28
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322:ftHg̼³µ³ń
07/05/09 00:53:38
lšQĀŌ·©ēßčl¶įEEEĮıʶįȢ̩H
323:ftHg̼³µ³ń
07/05/09 00:57:09
class result{
int a,b;
}
int hoge(result r){
r.a = 123;
r.b = 456;
return 789;
}
result r;
int result = hoge(r);
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324:ftHg̼³µ³ń
07/05/09 00:58:26
>>323
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325:ftHg̼³µ³ń
07/05/09 00:59:33
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326:ftHg̼³µ³ń
07/05/09 00:59:59
>>292
VM ĢĄĖ¶¶įĖH
327:ftHg̼³µ³ń
07/05/09 01:00:46
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»źČēint[] hoge() {return new int[]{789, 123, 456};}Ę©ĢūŖiĒĮæąĒĮæj
328:ftHg̼³µ³ń
07/05/09 01:01:55
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329:ftHg̼³µ³ń
07/05/09 01:03:59
class Result {
final int a;
final int b;
final int result;
Result(int a, int b, int result) { iŖ) }
}
Result hoge() { return new Result(123, 456, 789) }
330:ftHg̼³µ³ń
07/05/09 01:04:23
>>320
ń čŖĘ¤²“¢Ü·
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class A{
}
class B{
}
int hoge(A a, B b){
a = new A();
b = new B();
return 0;
}
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B b;
int result = hoge(&a, &b);
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331:ftHg̼³µ³ń
07/05/09 01:06:18
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332:ftHg̼³µ³ń
07/05/09 01:08:40
A a = new A();
B b = new B();
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333:ftHg̼³µ³ń
07/05/09 01:11:52
CX^Xšģé\bhČēģēź½CX^X±»Ō·×«ąĢĢę¤ČCŖ·éB
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334:ftHg̼³µ³ń
07/05/09 01:13:30
>>331
²wE čŖĘ¤²“¢Ü·
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class Wrapper{
A a;
B b;
}
Wrapper hoge(){
Wrapper r = new Wrapper();
r.a = new A();
r.b = new B();
return r;
}
(øsĶįO)
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335:ftHg̼³µ³ń
07/05/09 01:17:24
Wrapper hoge()ĶWrapperĢRXgN^¶į¢©ńĢH
336:ftHg̼³µ³ń
07/05/09 01:20:43
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337:ftHg̼³µ³ń
07/05/09 01:23:23
class Hoge {
final A a;
final B b;
Hoge() throws CannotCreateException {
a = new A();
b = new B();
}
338:ftHg̼³µ³ń
07/05/09 01:23:59
>>320
> QĘ^QĘnµ
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339:ftHg̼³µ³ń
07/05/09 01:24:32
>>336
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340:ftHg̼³µ³ń
07/05/09 01:25:45
>>318
APIxĢbšµÄ¢éķÆÅĶČľČEEE
341:ftHg̼³µ³ń
07/05/09 01:26:24
class Hoge {
@final A a;
@final B b;
@Hoge() {
@@a = new A();
@@b = new B();
@}
}
AĘBÉÖA«ŖČ©Į½ēCæ«¢NX¾ŖB
342:ftHg̼³µ³ń
07/05/09 04:01:17
±ĢR[hšĄs·éĘŗĢę¤ÉvZÉøźŖoÄéńÅ·ŖĒ¤µÄÅ·©B
š@š³¦Ä¾³¢B
class DoubleTest {
public static void main(String[] args) {
double hoge;
for(hoge = 0; hoge < 1; hoge += 0.1) {
System.out.println(String.valueOf(hoge));
}
}
}
0.0
0.1
0.2
0.30000000000000004
0.4
0.5
0.6
0.7
0.7999999999999999
0.8999999999999999
0.9999999999999999
343:342
07/05/09 04:03:40
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java version "1.6.0_01"
Java(TM) SE Runtime Environment (build 1.6.0_01-b06)
Java HotSpot(TM) Client VM (build 1.6.0_01-b06, mixed mode, sharing)
344:ftHg̼³µ³ń
07/05/09 04:14:17
>>342-343
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345:ftHg̼³µ³ń
07/05/09 04:28:49
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346:342
07/05/09 04:34:21
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347:ftHg̼³µ³ń
07/05/09 11:37:59
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348:ftHg̼³µ³ń
07/05/09 12:48:40
public void setForeground(Color c)
349:ftHg̼³µ³ń
07/05/09 14:32:13
Framešp³µ½NXÅAEChEAvP[VšģĮĢܷB
R}hvvg©ēAhogehoge.javašjavacR}hÅRpC Ø javaR}hÅĄs·éŪA
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350:ftHg̼³µ³ń
07/05/09 16:57:13
>>349
vvgÅ
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351:349
07/05/09 17:02:05
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352:ftHg̼³µ³ń
07/05/09 17:10:16
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ĘĒÉ£čŖµÄ čܵ½B
dūŖČ¢ĢÅAERšV·ÉüźÄĮÄܵ½Ŗ
ńķÉsÖ³š“¶Üµ½B
F³ńĶĒĢę¤ÉµÄ¢éĢŵ天
QlÜÅÉ·©¹Ä¢½¾ÆÜ¹ń©H
353:349
07/05/09 18:20:15
>>350
²ń čŖĘ¤²“¢Ü·B
JAVA_HOMEĶC:\Program Files\Java\jdk1.6.0_01@ʵA
PathĶ%JAVA_HOME%\bin@ƵĢܷB
R}hvvgĢJgfBNgÉclasst@CšķÉu¢Ä¢éĢÅANXpXĶŻčµÄ¢Ü¹ńB
WXgGfB^ÅWXgĢlš©½Ę±ėAJava Runtime Environment\CurrentVersionĶ1.6ĘČĮĢܷB
JDKĢo[W^CĢo[WĘ¢¤FÆÅę¢Ģŵ天H
354:ftHg̼³µ³ń
07/05/09 18:34:59
>>353
> JDKĢo[W^CĢo[WĘ¢¤FÆ
į¤B
JDKĢCXg[ĢftHgĢŻčiSOKµ½źjÅĶAJDKĘĶŹÉAJREŖüéB
JAVA_HOMEŖwµÄéĢĶAŹĶ JDKąĢ^CB
ÅAJREÉĶjavacĶČ¢ÆĒAC:\Windows\SYSTEM32 Ę©É java.exe šĖĮŽ©ēA
ĒĮæšg¤©ĶAĀ«Ļ PATH ĢŻčÉęéB
WXgĢlĶÖWČ¢B
355:ftHg̼³µ³ń
07/05/09 19:15:10
Microsoft VMšgĮ½httpćĢVXeÉOC·éŪÉA
IEA_[o[ÉuAvbg ClientManager notinitedvĢ\¦ŖoÄā~µÄµÜ¢Ü·B
VXeͼPC©ē¾Ę³ķÉ^p³źÄ¢éę¤Å·B
JAVAR\[š©éĘAČŗĢąeĢG[ŖoĢܷB
F&QČĒÅYįšTµ½ĢÅ·Ŗ©Ā©ēøA¾¢½¾ÆźĪK¢Å·B
============================================================
load: NX MGBC940_01BJ.ClientManager.class Ŗ©Ā©čܹńB
java.lang.ClassNotFoundException: MGBC940_01BJ.ClientManager.class
(Ŗ)
Caused by: java.io.IOException: open HTTP connection failed.
(Ŗ)
load: NX browserClient.MsgText.class Ŗ©Ā©čܹńB
java.lang.ClassNotFoundException: browserClient.MsgText.class
(Ŗ)
Caused by: java.io.IOException: open HTTP connection failed.
(ćŖ)
356:349
07/05/09 19:36:21
>>354
ČéŁĒBÅ©ēüĮÄ¢éĢĘĶŹÉą¤źĀ^CŖüéķÆÅ·ĖB
>C:\Windows\SYSTEM32 Ę©É java.exe šĖĮŽ©ēA
Ŗ·¢Ü¹ńB±±Ģ\»Ŗęķ©čܹńB
@R}hvvg©ējavaR}hšĄsµ½Ę«ÉĶASYSTEM32ąĢjava.exešTµÉ¢Ę¢¤±Ęŵ天H
æČŻÉPATHĶČŗĢĘØčÅ·B
%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;C:\Program Files\QuickTime\QTSystem\;%JAVA_HOME%\bin;C:\Program Files\Common Files\GTK\2.0\bin
357:ftHg̼³µ³ń
07/05/09 19:44:36
>>356
PATH É©ź½fBNgšŌÉõ·é©ēAPATHĢŻčŖ
> %SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;C:\Program Files\QuickTime\QTSystem\;%JAVA_HOME%\bin;C:\Program Files\Common Files\GTK\2.0\bin
ČēĪAÅÉ©ź½ %SystemRoot%\system32 Ķ %JAVA_HOME%\bin ęčDęŹŖ¢B
358:349
07/05/09 20:13:53
>>357
ķ©čܵ½B»¤¢¤Ó”Ŗ Į½ńÅ·ĖB čŖĘ¤²“¢Ü·B
AvP[Všjart@CɵļPCÅą®©µ½¢ĢÅ·ŖA
K·é^CĢo[WĘ¢¤ĢĶAǤāĮÄ©ÉßźĪ¢¢Ģŵ天H
359:ftHg̼³µ³ń
07/05/09 21:58:49
>>358
V½ÉĒĮ³ź½NXA\bhĶ APIdl©źĪ since ^OÓĮÄ é©ēA
»źš²×źĪAĒĢAPIŖĒĢo[WÅ®©ĶåĢŖ©éB
ĘĶ javac -target Ę©ÅAo͵½NXt@CĢŻ·«šCšĀÆéĘ©B
360:349
07/05/09 22:03:25
čŖĘ¤²“¢Üµ½BAPIdlšmFµÄŻÜ·B
ܽ±±Åæā³¹Äąē¤±ĘŖ é©Ęv¢Ü·ŖAę뵨袵ܷB
361:ftHg̼³µ³ń
07/05/09 22:27:43
vOÅAtrueĢWI{^š@setSelected(false); Åfalseɵ½ĶøČĢÉAisSelected()Ų×ÄŻ½ētrueÅfalseÉČĮĢܹńB
Ǥµ½ē¢¢Åµå¤©H
362:ftHg̼³µ³ń
07/05/09 22:34:21
>>361
setSelected(false) µÄąAĄŪɽf³źéĢĶ
ÉCxgfBXpb`XbhÉŖŚĮ½ČĢęB
>>143 ĢNęĘ©©ÄźB
363:ftHg̼³µ³ń
07/05/09 22:39:09
>>362
¬ čŖĘ¤²“¢Ü·B
©ÄŻé±ĘɵܷB
364:ftHg̼³µ³ń
07/05/09 23:09:21
zńÉvfš}ü·éR[hš¢ÄŻÜµ½ŖA
ąĮĘX}[gÉ©ÆÜ¹©H
String[] str = {"hoge", "huga", "foo", "bar"};
String sonyu = "}ü";
String[] buff = new String[5];
// OĀŚÉ}ü
int j = 0;
for (int i = 0; i < str.length; i++) {
if (j == 2) {
buff[j] = sonyu;
j++;
}
buff[j] = str[i];
j++;
}
365:ftHg̼³µ³ń
07/05/09 23:26:04
ListÅąg¦ĪH
366:ftHg̼³µ³ń
07/05/09 23:54:22
>>364
String[] buff = (String[])str.clone();
buff[2] = sonyu;
367:ftHg̼³µ³ń
07/05/10 01:15:22
xX¾ÆĒA
>>309
winpĢR[hšX11Åą®©¹éę¤ÉĻX·éKvĶhČ¢hB
ØtHgšwčµÄ½ē˶·éĀ\«Ŗ éŖA»¤¢¤ĢĶĘč ¦øRgAEgµÄęµB
āčĶPČéĀ«ŻčBJDKāX11Ā«Ŗ®ĮÄ¢éĘ¢¤FÆŖŌįĮÄ¢éB
Ęč ¦øFreeBSDĢXÅąsĮÄ·¢ÄݽēH
368:ftHg̼³µ³ń
07/05/10 07:18:17
>>365
±źÖÅ·ĖB
čŖĘ¤²“¢Üµ½B
>>366
»¤ÅĶȢŷB
369:ftHg̼³µ³ń
07/05/10 08:44:56
URLŲŻø(java.sun.com)
±ĢNXÅüs¶š\·ÉĶǤ·źĪ¢¢Åµå¤©B
ąµ»źęčąźŹIČū@Ŗ źĪ³¦Ä¾³¢B
Element date = document.createElement("date");
document.appendChild(date);
Text lf = document.createTextNode("üs¶");
date.appendChild(lf);
Element name = document.createElement("name");
date.appendChild(name);
Text textnode= document.createTextNode("Šėä«");
name.appendChild(textnode);
<date> ±±Åüsµ½¢
<name>Šėä«</name>
</date>
370:ftHg̼³µ³ń
07/05/10 08:50:15
la,bšĒŻŻi[µÄ¢élšš··éū@ÅŖēČ¢ŖŖ čÜ·B
ĻĶ a,b,w Åa,bĶĒŻń¾ÜÅåävÅ·B
a = w;
b = a;
w = b;
ćLĢ®¾Ęa=wĶś»³źÄČ¢ĘG[ŖÅÜ·B
½ŌńwɽąlŖČ¢©ēŵ天H
t[g`[g¾ĘćĢę¤ČŌČńÅ·ÆĒ
371:ftHg̼³µ³ń
07/05/10 08:56:24
>>369
"\n" Å¢¢©ĘB
XMLČē»ą»ąüsµČÄ¢¢¶įńĘĶv¤ŖB
372:ftHg̼³µ³ń
07/05/10 08:58:09
>>370
> ½ŌńwɽąlŖČ¢©ēŵ天H
»ĢĘØčB
> t[g`[g¾ĘćĢę¤ČŌČńÅ·ÆĒ
t[`[gŖŌįĮÄ¢éB©ŖĢŖÅl¦źĪAŌįĮÄ¢é±
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373:ftHg̼³µ³ń
07/05/10 09:05:48
>>372
āĮĻ軤ŷ©Aɽ©µėĢš¢źČ¢ĘŹŚČńÅ·ĖB
ŽšpĢĻšŻÆéČO½Ģą¾ą³©Į½ÆĒ©čܵ½B
374:ftHg̼³µ³ń
07/05/10 09:14:26
ęøAQĀĢRbvšpÓµę¤B
»źš÷Éu¢ÄŻę¤B
»µÄA»ĢQĀĢRbvĢŹušA
RbvšPĀøĀ®©µÄAš·µÄŻę¤B
³ÄAǤ¢¤É®©µ½©ČH
375:ftHg̼³µ³ń
07/05/10 09:49:28
SŅÉįoµÄš³¹ę¤Ę·éĢĶ¢¢ŖAÅćÜÅāźęH
¢Āąr¼[ÉIķĮÄé¼B
376:ftHg̼³µ³ń
07/05/10 09:52:35
a Ę b šš·µ½¢ń¾ėH
a = w;
b = a;
w = b;
óŖ©ēńę
a => w;
b => a;
w => b;
ĮÄ¢¤Ó”¶įȢ̩H
w = a;
a = b;
b = w;
Øą¢Į«čŽēźÄŻéeXg
377:370
07/05/10 10:15:23
>>376
ŁńĮƲeŲÉ čŖĘ¤²“¢Ü·B
t³ÉČĮÄܵ½Ėi¾j»źĘoĶĢŖątÉČĮĽę¤Å¬÷µÄ½ĢÉĻķĮÄČ¢ę¤ČĮÄܵ½B
ASYĢĻ_Ål¦éĶŖ¢nÅ·ęĖAąĮĘ׵ܷ
378:ftHg̼³µ³ń
07/05/10 14:32:45
Cµ©mēČ¢SŅÅ·B
JavaÅp³³ź½\bhĢoCgR[hĶRpCA
eclasst@CÉf«o³źéĢŵ天H
qclassĢp³µ½\bhĶeNXĢ\bhÖĢNÉČéńŵ天H
379:378
07/05/10 14:35:03
·ŻÜ¹ńķÆŖ©ēńæāšµÄµÜ¢Üµ½B
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380:378
07/05/10 14:53:01
JVMhL
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381:ftHg̼³µ³ń
07/05/10 14:56:35
JVMhL
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382:ftHg̼³µ³ń
07/05/10 16:58:32
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