单项选择题X 纠错
A. It is impossible to determine the deepest nesting depth because it is impossible for tag handlers that extend SimpleTagSupport to communicate with their parent and child tags
B. Create a private non-static attribute in the tag handler class called count of type int initialized to oIncrement count in the doTag method. If the tag has a body, invoke the fragment for that body. Otherwise, output the value of count
C. Start a counter at 1. Call getChildTags(). If it returns null, output the value of the counter. Otherwise, increment counter and continue from where getChildTags() is called. Skip processing of the body.
D. If the tag has a body, invoke the fragment for that body. Otherwise, start a counter at 1. Call getParent(). If it returns null, output the value of the counter. Otherwise, increment the counter and continue from where getParent() is called.
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单项选择题
A. JspWriter w = pageContext.getOut();w.print(“Company”);
B. JspWriter w = pageContext.getWriter();w.print(“Company”);
C. JspWriter w = new JspWriter(pageContext.getOut()); w.print(“Company”);
D. JspWriter w = new JspWriter (pageContext.getResponse()); w.print(“Company”);
单项选择题
A. new InputStream(“/WEB-INF/nyressrc.bin”);
B. ctx.getInputStream(“/WEB-INF/nyresrc.bin”);
C. ctx.getresourceAsStream(“/WEB-INF/nyresrc.bin”);
D. new InputStream(“/WEB-INF/nyresrc.bin”);
E. getClass().getResourceAsStream(“/WEB-INF/nyresrc.bin”);
多项选择题
A. HttpSession session = request.getSession();
B. HttpSession session = request.getSession(id);
C. HttpSession session = request.getSession(true);
D. HttpSession session = request.getSession(false);
E. HttpSession session = request.getSession(“jsessionid”)
单项选择题
A. The developer must ensure that every URL is properly encoded using the appropriate URL rewriting APIs
B. The developer must provide an alternate mechanism for managing sessions and abandon theHttpSession mechanism entirely
C. The developer can ignore this issue. Web containers are required to support automatic URL rewriting when cookies are not supported
D. The developer must ass the string ?id=
单项选择题
A. public void valueUnbound(HttpSessionEvent ev){...}
B. public void sessionPassivated(HttpSessionEvent ev){...}
C. public void sessionDidActivate(HttpSessionEvent ev){...}
D. public void sessionWillPassivate(HttpSessionEvent ev){...}
多项选择题
A. A filter must implement the destroy method
B. A filter must implement the doFilter method
C. A servlet may have multiple filters associated with it
D. A servlet that is to have a filter applied to it must implement the javax.servlet.FilterChain interface
E. A filter that is part of a filter chain passes control to the next filter in the chain by invoking the filterChain forward method
F. For each
多项选择题
A.A
B.B
C.C
D.D
E.E
单项选择题
A. The attribute foo is placed in the application
B. A ServletContextListener registered for that servlet is notified
C. A ServletAttributeListener registered for that servlet is notified
D. An HttpSessionAttributeListener registered for that servlet is notified
单项选择题
A. The init method on a filter is called the first time a servlet mapped to that filter is invoked
B. A filter defined for a servlet must always forward control to the next resource in the filter chain.
C. Filters associated with a named servlet are applied in the order they appear in the web application deployment descriptor file
D. If the init method on a filter throws an UnavailableException, then the container will make no further attempt to execute it