Java EE架构设计与开发教程方巍机工版课后习题答案第4-6章 .pdfVIP

课后习题答案

一、选择题

1.A2.D3.C4.A5.ABCDE

6.A7.C8.B9.D10.B

二、填空题

1.javax.servlet，javax.servlet.http

2.加载阶段，初始化阶段，servlet运行阶段，servlet结束时期

3.jsp+javabean，jsp+javabean+servlet

4.web.xml

5.Httpservlet

三、简答题

1.高效、方便、功能强大、可移植性、节省投资

2.Servlet是用Java语言编写的运行在服务器端的小应用程序

3.JSP指令：include指令、page指令、taglib指令

JSP动作：forward动作、include动作、useBean动作

JSP的隐含对象：输出对象out、请求对象request、响应对象response、会话对

象session、Web服务器对象application

四、编程题

1.

program.java

packageservlet;

importjava.io.IOException;

importjava.io.PrintWriter;

importjavax.servlet.ServletException;

importjavax.servlet.http.HttpServlet;

importjavax.servlet.http.HttpServletRequest;

importjavax.servlet.http.HttpServletResponse;

publicclassprogramextendsHttpServlet{

publicvoiddoGet(HttpServletRequestrequest,HttpServletResponseresponse)

throwsServletException,IOException{

response.setContentType(text/html);

PrintWriterout=response.getWriter();

out.println(!DOCTYPEHTMLPUBLIC\-//W3C//DTDHTML4.01

Transitional//EN\);

out.println(HTML);

out.println(HEADTITLEAServlet/TITLE/HEAD);

out.println(BODY);

out.print(Thisisaservletprogram!!);

out.println(/BODY);

out.println(/HTML);

out.flush();

out.close();

}

}

2.

request.java

packageservlet;

importjava.io.IOException;

importjava.io.PrintWriter;

importjavax.servlet.ServletException;

importjavax.servlet.http.HttpServlet;

importjavax.servlet.http.HttpServletRequest;

importjavax.servlet.http.HttpServletResponse;

publicclassrequestextendsHttpServlet{

publicvoiddoGet(HttpServletRequestrequest,

HttpServletResponseresponse)

throwsIOException,ServletException