In August, Sun made available the specification for Java Servlet API 2.2. This article explains the differences between Java Servlet API 2.1 and 2.2, discusses the reasons for the changes, and shows how you can write servlets using version 2.2. (3,500 wo
Servlet Listener is used for listening to events in web containers, such as when you create a session, insert an attribute, passivate and activate in another container. The servlet container generates events that trigger the action of event listener classes. To subscribe to these events, you conf...
When a new version of any software (in Java) is developed, it is distributed as a single file, rather than a series of class files. A JAR file in Java is created to serve this purpose containing class files along with other files like audio/video/image files that are included in that...
publicclassMain{publicstaticvoidmain(String[]args){// TODO code application logic hereScannersc=newScanner(System.in);PrintWriterpw=newPrintWriter(System.out);longc=0;intn=sc.nextInt();int[]a=newint[n];for(inti=0;i<n;i++)a[i]=sc.nextInt();Arrays.sort(a);for(inti=0;i<n;i++)...
These objects are createdon stack.Q)System.out.println()println() is a methd of java.io.printWriter."out" is an instance variable of java.lang.System class.Q)Transient&volatileTransient-->The transient modifier applies to variables only,the object are variable will not persist.Transient...
void doGet(HttpServletRequest in, HttpServletResponse out) throws ServletException, IOException { out.setContentType("text/plain"); Printwriter p = out.getWriter(); count++; p.println(count + " hits so far!"); } } The problem with this solution is that it can have a significant impact ...
The following Java code processes the values: Copy code snippet Copied to Clipboard Error: Could not Copy Copied to Clipboard Error: Could not Copy protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { PrintWriter out = response.getWriter...
A. java.lang.String B. java.lang.Integer C. java.text.TextFormat D. java.io.PrintWriter 查看完整题目与答案 数据运算的定义和实现都依赖于数据的逻辑结构,而与数据的存储结构无关。 A. 正确 B. 错误 查看完整题目与答案 人工管理阶段,数据不能长期保存,数据不具有独立性,数据不能共享,数据...
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Consider the following code snippet: PrintWriter out = new PrintWriter("output.txt"); Which of the following statements about the PrintWriter object is correct? Explain. Select one: a. If a file named Explain in your own words why it's important to defragment a hard drive ...