Given: 10.public void service(ServletRequest request, 11.ServletResponse response) { 12.ServletInputStream sis = 13.// insert code here 14.} Which retrieves the binary input stream on line 13?()A、request.getWriter();B、request.getReader();C、request.getInpu

题目

Given: 10.public void service(ServletRequest request, 11.ServletResponse response) { 12.ServletInputStream sis = 13.// insert code here 14.} Which retrieves the binary input stream on line 13?()

  • A、request.getWriter();
  • B、request.getReader();
  • C、request.getInputStream();
  • D、request.getResourceAsStream();
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相似问题和答案

第1题:

Given: 11.<% 12.request.setAttribute("vals", new String[]{"1","2","3","4"}); 13.request.setAttribute("index", "2"); 14.%> 15.<%-- insert code here --%> Which three EL expressions, inserted at line 15,are valid and evaluate to "3"?()

  • A、${vals.2}
  • B、${vals["2"]}
  • C、${vals.index}
  • D、${vals[index]}
  • E、${vals}[index]
  • F、${vals[vals[index-1]]}

正确答案:B,D,F

第2题:

class One {  void foo() {}  }  class Two extends One {   //insert method here  }  Which three methods, inserted individually at line 14, will correctly complete class Two?()

  • A、 int foo() { /* more code here */ }
  • B、 void foo() { /* more code here */ }
  • C、 public void foo() { /* more code here */ }
  • D、 private void foo() { /* more code here */ }
  • E、 protected void foo() { /* more code here */ }

正确答案:B,C,E

第3题:

11.public class Counter{12.public static void main(String[]args){13.int numArgs=/*insert code here*/;14.}15.}and the command line:java Counter one fred 42 Which code,inserted at line 13,captures the number of arguments passed into the program?()

A.args.count

B.args.length

C.args.count()

D.args.length()

E.args.getLength()


参考答案:B

第4题:

11. double input = 314159.26;  12. NumberFormat nf= NumberFormat.getInstance(Locale.ITALIAN);  13. String b;  14. //insert code here  Which code, inserted at line 14, sets the value of b to 3 14.159,26?() 

  • A、 b = nf.parse( input);
  • B、 b = nf.format( input);
  • C、 b = nf.equals( input);
  • D、 b = nf.parseObject( input);

正确答案:B

第5题:

Given: 11.public class MyServlet extends HttpServlet { 12.public void service(HttpServletRequest request, 13.HttpServletResponse response) 14.throws ServletException, IOException { 15.// insert code here 16.} 17.} and this element in the web application’s deployment descriptor: 302 /html/error.html Which,inserted at line 15,causes the container to redirect control to the error.html resource?()

  • A、response.setError(302);
  • B、response.sendError(302);
  • C、response.setStatus(302);
  • D、response.sendRedirect(302);
  • E、response.sendErrorRedirect(302);

正确答案:B

第6题:

For a given Servlet Response response, which retrieves an object for writing binary data? ()

  • A、 response.get writer ()
  • B、 response.get Output Stream ()
  • C、 response.getOutput Writer()
  • D、 response.get Writer ().get Output Stream ()
  • E、 response.get Writer (Writer.OUTPUT_BINARY)

正确答案:A,B

第7题:

11. public class Counter {  12. public static void main(String[] args) {  13. int numArgs = /* insert code here */;  14. }  15. }  and the command line: java Counter one fred 42 Which code, inserted at line 13, captures the number of arguments passed into the program?() 

  • A、 args.count
  • B、 args.length
  • C、 args.count()
  • D、 args.length()
  • E、 args.getLength()

正确答案:B

第8题:

Given:Which three methods, inserted individually at line 14, will correctly complete class Two?()

A.int foo() { /* more code here */ }

B.void foo() { /* more code here */ }

C.public void foo() { /* more code here */ }

D.private void foo() { /* more code here */ }

E.protected void foo() { /* more code here */ }


参考答案:B, C, E

第9题:

Given a Filter class definition with this method: 21.public void doFilter(ServletRequest request, 22.ServletResponse response, 23.FilterChain chain) 24.throws ServletException, IOException { 25.// insert code here26. } Which should you insert at line 25 to properly invoke the next filter in the chain,or the target servlet if thereare no more filters?()

  • A、chain.forward(request, response);
  • B、chain.doFilter(request, response);
  • C、request.forward(request, response);
  • D、request.doFilter(request, response);

正确答案:B

第10题:

11. rbo = new ReallyBigObject();  12. // more code here  13. rbo = null;  14. /* insert code here */  Which statement should be placed at line 14 to suggest that the virtual machine expend effort toward recycling the memory used by the object rbo?() 

  • A、 System.gc();
  • B、 Runtime.gc();
  • C、 System.freeMemory();
  • D、 Runtime.getRuntime().growHeap();
  • E、 Runtime.getRuntime().freeMemory();

正确答案:A

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