锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲成a人片毛片在线,亚洲AV无码一区二区三区久久精品 ,中文字幕日韩亚洲http://www.tkk7.com/endisoft/category/15340.htmlI believe I can fly,I can touch the skyzh-cnFri, 02 Mar 2007 02:37:25 GMTFri, 02 Mar 2007 02:37:25 GMT60JAVA鍐欐枃浠跺埌FTP鐨勪袱縐嶆柟娉?/title><link>http://www.tkk7.com/endisoft/articles/URL_J2SE.html</link><dc:creator>Endisoft</dc:creator><author>Endisoft</author><pubDate>Tue, 26 Sep 2006 16:48:00 GMT</pubDate><guid>http://www.tkk7.com/endisoft/articles/URL_J2SE.html</guid><wfw:comment>http://www.tkk7.com/endisoft/comments/72149.html</wfw:comment><comments>http://www.tkk7.com/endisoft/articles/URL_J2SE.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/endisoft/comments/commentRss/72149.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/endisoft/services/trackbacks/72149.html</trackback:ping><description><![CDATA[浜岀鏂規(guī)硶<br />No1:<br /><div style="BORDER-RIGHT: #cccccc 1px solid; PADDING-RIGHT: 5px; BORDER-TOP: #cccccc 1px solid; PADDING-LEFT: 4px; FONT-SIZE: 13px; PADDING-BOTTOM: 4px; BORDER-LEFT: #cccccc 1px solid; WIDTH: 98%; WORD-BREAK: break-all; PADDING-TOP: 4px; BORDER-BOTTOM: #cccccc 1px solid; BACKGROUND-COLOR: #eeeeee"><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" /><span style="COLOR: #000000">URL聽(tīng)url聽(tīng)</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">聽(tīng)</span><span style="COLOR: #0000ff">new</span><span style="COLOR: #000000">聽(tīng)聽(tīng)URL(聽(tīng)</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">聽(tīng)ftp://javaa:javaa@172.168.2.222:21/test/javaa.txt聽(tīng)</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">聽(tīng));<br /><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" />PrintWriter聽(tīng)pw聽(tīng)</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">聽(tīng)</span><span style="COLOR: #0000ff">new</span><span style="COLOR: #000000">聽(tīng)聽(tīng)PrintWriter(url.openConnection().getOutputStream());<br /><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" />pw.write(聽(tīng)</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">聽(tīng)this聽(tīng)is聽(tīng)a聽(tīng)test聽(tīng)</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">聽(tīng));<br /><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" />pw.flush();<br /><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" />pw.close();聽(tīng)</span></div>No2:<br /><div style="BORDER-RIGHT: #cccccc 1px solid; PADDING-RIGHT: 5px; BORDER-TOP: #cccccc 1px solid; PADDING-LEFT: 4px; FONT-SIZE: 13px; PADDING-BOTTOM: 4px; BORDER-LEFT: #cccccc 1px solid; WIDTH: 98%; WORD-BREAK: break-all; PADDING-TOP: 4px; BORDER-BOTTOM: #cccccc 1px solid; BACKGROUND-COLOR: #eeeeee"><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" /><span style="COLOR: #000000">FtpClient聽(tīng)ftpClient聽(tīng)</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">聽(tīng)</span><span style="COLOR: #0000ff">new</span><span style="COLOR: #000000">聽(tīng)聽(tīng)FtpClient();<br /><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" />ftpClient.openServer(聽(tīng)</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">聽(tīng)172.168.2.222聽(tīng)</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">聽(tīng),聽(tīng)</span><span style="COLOR: #000000">21</span><span style="COLOR: #000000">聽(tīng));聽(tīng)</span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">聽(tīng)I(yíng)P鍦板潃鍜岀鍙Ｂ?/span><span style="COLOR: #008000"><br /><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" /></span><span style="COLOR: #000000">ftpClient.login(聽(tīng)</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">聽(tīng)javaa聽(tīng)</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">聽(tīng),聽(tīng)</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">聽(tīng)javaa聽(tīng)</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">聽(tīng));聽(tīng)</span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">聽(tīng)鐢ㄦ埛鍚嶅拰瀵嗙爜錛屽尶鍚嶇櫥闄嗙殑璇濈敤鎴峰悕涓篴nonymous,瀵嗙爜涓洪潪絀哄瓧絎︿覆聽(tīng)</span><span style="COLOR: #008000"><br /><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" /></span><span style="COLOR: #000000">ftpClient.cd(聽(tīng)</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">聽(tīng)test聽(tīng)</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">聽(tīng));聽(tīng)</span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">聽(tīng)鍒囨崲鍒皌est鐩綍聽(tīng)</span><span style="COLOR: #008000"><br /><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" /></span><span style="COLOR: #000000">PrintWriter聽(tīng)pw聽(tīng)</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">聽(tīng)</span><span style="COLOR: #0000ff">new</span><span style="COLOR: #000000">聽(tīng)聽(tīng)PrintWriter(ftpClient.put(聽(tīng)</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">聽(tīng)javaa.txt聽(tīng)</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">聽(tīng)));聽(tīng)</span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">聽(tīng)鍐欏叆鐨勬枃浠跺悕聽(tīng)</span><span style="COLOR: #008000"><br /><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" /></span><span style="COLOR: #000000">pw.write(聽(tīng)</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">聽(tīng)this聽(tīng)is聽(tīng)a聽(tīng)test聽(tīng)</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">聽(tīng));<br /><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" />pw.flush();<br /><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" />pw.close();聽(tīng)</span></div><img src ="http://www.tkk7.com/endisoft/aggbug/72149.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/endisoft/" target="_blank">Endisoft</a> 2006-09-27 00:48 <a href="http://www.tkk7.com/endisoft/articles/URL_J2SE.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>Java鍩虹---闂鏀墮泦http://www.tkk7.com/endisoft/articles/70639.htmlEndisoftEndisoftTue, 19 Sep 2006 15:05:00 GMThttp://www.tkk7.com/endisoft/articles/70639.htmlhttp://www.tkk7.com/endisoft/comments/70639.htmlhttp://www.tkk7.com/endisoft/articles/70639.html#Feedback0http://www.tkk7.com/endisoft/comments/commentRss/70639.htmlhttp://www.tkk7.com/endisoft/services/trackbacks/70639.html 聽(tīng)

1. 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 闈㈠悜瀵硅薄鐨勭壒寰佹湁鍝簺鏂歸潰璇瘋緇嗚瑙?/font>

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 灝佽 : 涓涓被涓湁澶氫釜鐨勫睘鎬т笌鏂規(guī)硶錛屽浜庢柟娉曚笌灞炴ф湁鍥涚淇グ絎?/span> private 銆?/span> protected 銆?/span> public 銆?/span> internal 淇グ 絎︾殑璁塊棶鏉冮檺銆?span lang="EN-US">

private : 縐佹湁鎴愬憳, 鍦ㄧ被鐨勫唴閮ㄦ墠鍙互璁塊棶銆?span lang="EN-US">

protected : 淇濇姢鎴愬憳錛岃綾誨唴閮ㄥ拰緇ф壙綾諱腑鍙互璁塊棶銆?span lang="EN-US">

public : 鍏叡鎴愬憳錛屽畬鍏ㄥ叕寮錛屾病鏈夎闂檺鍒躲?

internal: 鍦ㄥ悓涓鍖呭唴鍙互璁塊棶

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 緇ф壙:瀛愮被緇ф壙鐖剁被鐨勬墍鏈夋柟娉曚笌灞炴с傚彲浠ヨ鐩栵紝鍦ㄨ鐩栫殑鏋勯犲嚱鏁板強(qiáng)鏂規(guī)硶閫氳繃super()錛屾柟娉?span lang="EN-US">super.鐖剁被鏂規(guī)硶鍚?span lang="EN-US">()

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 澶氭?span lang="EN-US">:

n 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 闈?rùn)鎬?/span> : 鏂規(guī)硶鍚嶇浉鍚岋紝鍙傛暟涓嶅悓銆?/span>

n 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 鍔ㄦ侊細(xì)灝嗗瓙綾葷殑瀹炰緥浼犱笌鐖剁被鐨勫紩鐢紝璋冪敤鐨勬槸瀛愮被鐨勬柟娉曘傚皢瀹炵幇鎺ュ彛鐨勭被鐨勫疄渚嬩紶涓庢帴鍙ｇ殑寮曠敤錛岃皟鐢ㄧ殑鏄疄鐜扮被鐨勬柟娉曘?/span>

2.聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 榪愯鏃跺紓甯鎬笌涓鑸紓甯告湁浣曞紓鍚岋紵

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 榪愯鏃跺紓甯革細(xì)鐢?/span> java 铏氭嫙鏈烘姏鍑虹殑寮傚父銆傜敤鎴蜂笉蹇呭鐞嗐?/span>

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 涓鑸紓甯告槸鐢ㄦ埛鍙互鎶涘嚭鐨勫紓甯革紝濡傛灉鎶涘嚭璋冪敤蹇呴』榪涜澶勭悊銆?/span>

3. 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 璇村嚭涓浜涘父鐢ㄧ殑綾伙紝鍖?/span> , 鎺ュ彛錛岃鍚勪婦 5 涓?/span>

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 綾?/span> :Math ClassLoader Class Method HttpServlet String Integer

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 鍖?/span> :java.lang.* 錛?/span> java.sql.* 錛?/span> java.io.* 錛?/span> javax.xml.* 錛?/span> java.util.*

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 鎺ュ彛 :聽(tīng) Collection聽(tīng) Set聽(tīng)聽(tīng) List聽(tīng)聽(tīng) Map聽(tīng) EJBObject EntityBean SessionBean EJBHome

4. 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) String 鍜?/span> StringBuffer 鐨勫尯鍒?/span>

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) String 鍦ㄥ悎騫跺瓧絎︿覆鏃惰杞寲鎴?/span> StringBuffer 錛屾墍浠ユ晥鐜囪緝浣庡害銆?/span> StringBuffer 鐨勬晥鐜囪緝楂?/span>

5. 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) int 鍜?/span> Integer 鏈変粈涔堝尯鍒?/span>

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) Int 鏄熀鏈殑鏁版嵁綾誨瀷錛屼笉鏄璞°?/span>

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) Integer 鏄竴涓皝瑁呯被錛屽叾瀹炰緥鍙互灝佽涓涓暣鍨嬪鹼紝鍏舵湁澶氫釜鏂規(guī)硶錛屽 parseInt( 鈥溾?/span> ) 錛屽皢瀛楃涓茶漿鍖栦負(fù)浜?jiǎn)涓鏁村瀷銆?/span>

6. 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) String 鏄渶鍩烘湰鐨勬暟鎹被鍨嬪悧 ?

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 涓嶆槸錛屽叾鏄竴涓璞°?/font>

7. 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 浣滅敤鍩?/span> public,protected,private, 浠ュ強(qiáng)涓嶅啓鏃剁殑鍖哄埆

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) Public: 涓嶅悓鍖呫佸悓涓鍖呫佺被鍐呴兘鍙敤

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) Private 錛氱被鍐?/span>

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) Protected: 涓嶅悓鍖呯殑瀛愮被銆佸悓涓鍖呫佺被鍐呴兘鍙敤

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 涓嶅啓鏃?/span> : 鍚屼竴鍖呭唴銆佺被鍐?/span>

8. 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) char 鍨嬪彉閲忚兘涓嶈兘瀹氫箟涓轟竴涓腑鏂?/span> ? 涓轟粈涔?/span> ?

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 鍙互錛屽洜鍏舵湁 16 浣嶏紝姝ｅソ涓涓腑鏂囨眽瀛椼?/span>

9. 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 緇ф壙鏃跺欑被鐨勬墽琛岄『搴?/font>

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 鍏堟槸鐖剁被錛屽悗鏄瓙綾匯?/font>

10. 聽(tīng)聽(tīng)聽(tīng)聽(tīng) 鍐呴儴綾葷殑瀹炵幇鏂瑰紡 ?

鍐呴儴綾?/span> (1)

Public class superClass

{

聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) Pubic class subclass

聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) {

}

}

鍖垮悕綾?/font>

Public class superClass extends Frame

{

聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) This.addActionListener

(聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)

new ActionListener()

聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) Public void actionPerformed(ActionEvent e)

聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) {

聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) e.printStackTrace();

}

)

}

11. 聽(tīng)聽(tīng)聽(tīng)聽(tīng) 鍨冨溇鍥炴敹鏈哄埗 , 濡備綍浼樺寲紼嬪簭 ?

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 闈?rùn)鎬佸唴瀛樺瓨鏀劇殑鏄被錛屽姩鎬佸唴瀛樺瓨鏀劇殑鏄璞★紙闈炶В鎬佺殑灞炴э級(jí)錛屽綋涓涓疄渚嬫病鏈夊紩鐢ㄦ椂鐢?/span> JVM 鏀跺洖瀹炰緥鎵鍗犵殑鍐呭瓨銆?/span>

12. 聽(tīng)聽(tīng)聽(tīng)聽(tīng) float 鍨?/span> float f=3.4 鏄惁姝ｇ‘ ?

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 鎶ラ敊錛屽簲褰撴槸 float f=3.4f

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 濡傛灉鏄?/span> float f=3( 鏁存暟 ) 姝ｇ‘

13. 聽(tīng)聽(tīng)聽(tīng)聽(tīng) 璋堣皥 final, finally, finalize 鐨勫尯鍒?/span>

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) Final 錛氫笉鍙彉錛屽湪綾誨墠涓嶅彲琚戶鎵褲佸湪鏂規(guī)硶鍓嶄笉鍙瑕嗙洊銆佸湪灞炴у墠鏄父閲?/span>

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) Finally: 鏄紓甯稿鐞嗕腑鐨勪笉綆℃湁娌℃湁閿欓兘鎵ц涓嬈°?/span>

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) Finalize 錛氭槸綾葷駭鐨勬柟娉曪紝褰撹繖涓被鐨勫疄渚嬭 JVM 娓呴櫎鏃朵細(xì)鑷姩璋冪敤銆?/span>

14. 聽(tīng)聽(tīng)聽(tīng)聽(tīng) Anonymous Inner Class ( 鍖垮悕鍐呴儴綾?/span> ) 鏄惁鍙互 extends( 緇ф壙 ) 鍏跺畠綾伙紝鏄惁鍙互 implements( 瀹炵幇 )interface( 鎺ュ彛 )?

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 鍙互錛屼絾涓嶅啓 extends 鎴?/span> implements 鎺ュ彛錛岃屾槸鐩存帴 new 鎺ュ彛鎴?/span> new 鐖剁被銆?/span>

15. 聽(tīng)聽(tīng)聽(tīng)聽(tīng) Static Nested Class 鍜?/span> Inner Class 鐨勪笉鍚岋紝璇村緱瓚婂瓚婂ソ ( 闈㈣瘯棰樻湁鐨勫緢絎肩粺 ) 銆?/span>

聽(tīng)

16. 聽(tīng)聽(tīng)聽(tīng)聽(tīng) & 鍜?/span> && 鐨勫尯鍒?/span>

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) && 鐨勬槸鐭礬涓庯紝鏄宸﹁竟涓?/span> false 錛岀洿鎺ヨ繑鍥炲鍙寵竟涓嶈繘琛屽垽鏂?/span>

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) & 鏄笌錛屽乏杈逛負(fù) false 錛屽彸杈硅繕瑕佽繘琛岃綆楋紝鎵浠ユ晥鐜囦綆涓浜?/span>

17. 聽(tīng)聽(tīng)聽(tīng)聽(tīng) GC 鏄粈涔?/span> ? 涓轟粈涔堣鏈?/span> GC?

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) Gc 鏄富鍔ㄨ繘琛屽瀮鍦炬敹闆嗐?/span>

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 浠ｇ爜濡備笅

Runtime r=Runtime.getRuntime();

r.gc();

18. 聽(tīng)聽(tīng)聽(tīng)聽(tīng) String s = new String("xyz"); 鍒涘緩浜?jiǎn)鍑犱?/span> String Object?

聽(tīng)

聽(tīng)

19. 聽(tīng)聽(tīng)聽(tīng)聽(tīng) Math.round(11.5) 絳夋柤澶氬皯 ? Math.round(-11.5) 絳夋柤澶氬皯 ?

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) Math.round(11.5)=12

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) Math.round(-11.5)=-11

20. 聽(tīng)聽(tīng)聽(tīng)聽(tīng) short s1 = 1; s1 = s1 + 1; 鏈変粈涔堥敊 ? short s1 = 1; s1 += 1; 鏈変粈涔堥敊 ?

褰撶敤 + 鍙鋒椂錛?/span> Short 涓嶅彲浠ョ洿鎺ョ浉鍔狅紝蹇呴』灝?/span> short 杞寲涓?/span> int 鎵嶅彲浠ユ墽琛屻傚涓?/span>

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) a=(short)((int)a+1);

聽(tīng)

脴 聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) short s1 = 1; s1 += 1; 姝ｇ‘錛屾病鏈夐敊璇?/span>



Endisoft 2006-09-19 23:05 鍙戣〃璇勮
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