* The ScriptEngineManager provides a method to return a list of all these factories * as well as utility methods which look up factories on the basis of language name, file extension * and mime type. * * The Bindings of key/value pairs, referred to as the "Global Scope" maintained *...
element() | 该方法返回队列头部的元素。 forEach(Consumeraction) | 对Iterable的每个元素执行给定的操作,直到所有元素都已处理或操作抛出异常为止。 getFirst() | 该方法返回队列的第一个元素。 getLast() | 该方法返回队列的最后一个元素。 isEmpty() | 该方法检查队列是否为空。 iterator() | 返回此...
Util是utiliy的缩写，是一个多功能、基于工具的包。java.util是包含集合框架、遗留的 collection 类、事件模型、日期和时间设施、国际化和各种实用工具类（字符串标记生成器、随机数生成器和位数组、日期Date类、堆栈Stack类、向量Vector类等）。集合类、时间处理模式、日期时间工具等各类常用工具包。Java的...
4. ArrayBlockingQueue与Condition是组合关系,ArrayBlockingQueue中包含两个Condition对象(notEmpty和notFull)。而且,Condition又依赖于ArrayBlockingQueue而存在,通过Condition可以实现对ArrayBlockingQueue的更精确的访问 -- (01)若某线程(线程A)要取数据时,数组正好为空,则该线程会执行notEmpty.await()进行等待;当其它某...
我们将传递给它我们的 RssReaderUtility.read() 方法,它将返回 List<NewsArticle> 的响应 一旦我们得到响应,我们所要做的就是打印它。 importcom.rometools.rome.io.FeedException; importjava.io.IOException; importjava.net.URISyntaxException; importjava.net.URL; ...
* as well as utility methods which look up factories on the basis of language name, file extension * and mime type. * * The Bindings of key/value pairs, referred to as the "Global Scope" maintained * by the manager is available to all instances of ScriptEngine created * by the...
* The ScriptEngineManager provides a method to return a list of all these factories * as well as utility methods which look up factories on the basis of language name, file extension * and mime type. * * The Bindings of key/value pairs, referred to as the "Global Scope" maintained ...
* Utility class for texts */ @@ -144,4 +146,26 @@ public static String padStart(String src, char padChar, int length) { return sb.toString(); } /** * As the name is, we find where leading spaces end and trailing spaces start * * @param line The line to search */ public st...
How to iterate using Interator when the parameter of List is an object of another user defined class. Say you pass the objects of type book in the List and iterate. itr.next() prints the reference and takes the ptr to next location. how to print the fields of the object? for eg ID...
(MimeUtility.encodeText("美女1.jpg")); //添加附件2 MimeBodyPart body2=new MimeBodyPart(); //设置附件 DataSource ds2=new FileDataSource("img/2.png"); DataHandler dh2=new DataHandler(ds2); body2.setDataHandler(dh2); //必须设置名称,如果是中文,必须进行编码 body2.setFileName(MimeUtility....