摘要：1. nio1.1. 说明：在新的i/o系统当中，我们将主要使用channel和buffer来描述我们底层的操作。1.2. 模型：1.3. 对channel进行读写：/** * @author cenyongh@mails.gscas.ac.cn */public class copyfile { public static void main(string[] args) throws exce......
摘要：zz from 城市webclubabstract class和interface是java语言中对于抽象类定义进行支持的两种机制，正是由于这两种机制的存在，才赋予了java强大的面向对象能力。abstract class和interface之间在对于抽象类定义的支持方面具有很大的相似性，甚至可以相互替换，因此很多开发者在进行抽象类定义时对于abstract class和interface的选择显......
Converting between applets and applications
converting between applets and applicationsto convert an application to applet: create an html page with an applet tag to invoke the applet. delete the main method. alter the class header so that it extends applet rather than frame. add the import for the library class applet. change the name of the constructor method from the name of the class to init. add an invocation of a method to set the layout of widgets in the applet window.this is typically:setlayout(new borderlayout());to convert a applet to application:change the name of the init method to the name of the class. this is now the constructor method for the class. delete the word void in the header for this method, since a constructor method has no return type. alter the class header so that it extends frame rather than applet. create a new method called main, with the header public static void main(string[] args). this is now the construct...
下一页 摘要：一般的javamil发送附件的代码如下： bodypart = new mimebodypart(); datasource datasource = new filedatasource("c:\测试附件.doc"); bodypart.setdatahandler(new datahandler(datasource)); bodypart.setfilename(mime......
