/什么是JTAG？JTAG，JointTestActionGroup的缩写，原意指的是开发IEEE1149.1标准的开发小组。后用JTAG泛指该标准，比如JTAG总线，指的是该标准规定的总线。JTAG总线以及架构广泛应用于芯片测试与调试，板级连接性测试以及嵌入式应用开发调试中。/JTAG有哪些用途？JTAG有调试访问（...

转自：JDBC和JTA事务的区别一、事务概述事务表示一个由一系列的数据库操作组成的不可分割的逻辑单位，其中的操作要么全做要么全都不做。与事务相关的操作主要有：BEGINTRANSACTION；　开始一个事务，方法是：begin()COMMIT；　　　　　　提交一个事务，方法是：commit()ROLLBACK；　　　　...

Therearetwowaystosetatooltiponatab.Thefirstistospecifyitwhenthetabiscreated;thesecondwayistosetitusingJTabbedPane.setToolTipTextAt().//CreateatabbedpaneJTabbedP...

Thetabsofatabbedpanecanbeplacedononeofthefouredgesofitscontainer.Bydefault,whenatabbedpaneiscreated,thetabsareplacedontop.//CreateatabbedpanewiththetabsontopJTa...

//CreateatabbedpaneJTabbedPanepane=newJTabbedPane();//Setthetextcolorforalltabspane.setForeground(Color.YELLOW);//Setthebackgroundcolorforalltabspane.setBackgro...

//Tocreateatabbedpane,seee828创建JTabbedPane//GettheindexofthecurrentlyselectedtabintselIndex=pane.getSelectedIndex();//SelectthelasttabselIndex=pane.getTabCount(...

//Tocreateatabbedpane,seee828创建JTabbedPane//Removethelasttabpane.remove(pane.getTabCount()-1);//Removethetabwiththespecifiedchildcomponentpane.remove(component)...

Tomoveatab,itmustfirstberemovedandthenreinsertedintothetabbedpaneasanewtab.Unfortunately,sincethereisnoobjectthatrepresentsatab,itisnecessarytorecordallofthetab...

Bydefault,allthetabsinatabbedpanearedisplayed.Whenthetabsarewiderthanthewidthofthetabbedpane,theyaredisplayedinrows.Ifspaceisanissue,itispossibletoconfigurethet...

Settingamnemoniconataballowsthetabtobeselectedwithakeystroke.Forexample,ifthemnemonicforatabwerethekeyL,thentypingALT-L(onWindows)wouldselectthetab.//Createatab...

Thisexampleretrievesallthetabsinatabbedpane://Tocreateatabbedpane,seee828创建JTabbedPane//Getnumberoftabsintcount=pane.getTabCount();//Getthepropertiesofeachtabfo...

Atabbedpanefiresachangeeventwhenevertheselectedtabischangedeitherbytheuserorprogrammatically.//CreatethetabbedpaneJTabbedPanepane=newJTabbedPane();//Addtabs...;...

Bydefault,allnewtabsareenabled,whichmeanstheusercanselectthem.Atabcanbedisabledtopreventtheuserfromselectingit.//CreateatabbedpaneJTabbedPanepane=newJTabbedPane...

Thisexampledemonstratesvariouswaystoaddatabtoatabbedpane.//CreateatabbedpaneJTabbedPanepane=newJTabbedPane();//Addatabwithalabeltakenfromthenameofthecomponentco...

Atabbedpaneisacontainerthatdisplaysonlyonechildcomponentatatime.Typically,thechildrenarethemselvescontainersofothercomponents.Eachchildisassociatedwithavisiblet...