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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);

参考答案

更多 “ 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);” 相关考题
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考题 Given an HttpServletRequest request and an HttpServletResponse response: 41.HttpSession session = null; 42.// insert code here 43.if(session == null) { 44.// do something if session does not exist 45.} else { 46.// do something if session exists47. } To implement the design intent,which statement must be inserted at line 42?()A、session = response.getSession();B、session = request.getSession();C、session = request.getSession(true);D、session = request.getSession(false);E、session = request.getSession("jsessionid");

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考题 1. import java.io.*;  2. public class Foo implements Serializable {  3. public int x, y;  4. public Foo( int x, int y) { this.x = x; this.y = y; }  5.  6. private void writeObject( ObjectOutputStream s)  7. throws IOException {  8. s.writeInt(x); s.writeInt(y)  9. }  10.  11. private void readObject( ObjectInputStream s)  12. throws IOException, ClassNotFoundException {  13.  14. // insert code here  15.  16. }  17. }  Which code, inserted at line 14, will allow this class to correctly serialize and deserialize?() A、 s.defaultReadObject();B、 this = s.defaultReadObject();C、 y = s.readInt(); x = s.readInt();D、 x = s.readInt(); y = s.readInt();

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考题 Given:   11. static class A {   12. void process() throws Exception { throw new Exception(); }   13. }   14. static class B extends A {   15. void process() { System.out.println("B "); }   16. }   17. public static void main(String[] args) {   18. A a = new B();   19. a.process();   20. }   What is the result? ()A、 Compilation fails because of an error in line 19.B、 An exception is thrown at runtime.C、 BD、 Compilation fails because of an error in line 18.E、 Compilation fails because of an error in line 15. F、 The code runs with no output.

考题 Given:   10. class One {   11. void foo() { }   12. }   13. class Two extends One {   14. //insert method here   15. }   Which three methods, inserted individually at line 14, will correctly complete class Two?()A、 public void foo() { /* more code here */ }B、 private void foo() { /* more code here */ }C、 protected void foo() { /* more code here */ }D、 int foo() { /* more code here */ }  E、 void foo() { /* more code here */ }

考题 单选题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.countB args.lengthC args.count()D args.length()E args.getLength()

考题 多选题Given:   10. class One {   11. void foo() { }   12. }   13. class Two extends One {   14. //insert method here   15. }   Which three methods, inserted individually at line 14, will correctly complete class Two?()Apublic void foo() { /* more code here */ }Bprivate void foo() { /* more code here */ }Cprotected void foo() { /* more code here */ }Dint foo() { /* more code here */ }Evoid foo() { /* more code here */ }

考题 单选题10. interface Foo {}  11. class Alpha implements Foo {}  12. class Beta extends Alpha {}  13. class Delta extends Beta {  14. public static void main( String[] args) {  15. Beta x = new Beta();  16. // insert code here  17. }  18. }  Which code, inserted at line 16, will cause a java.lang.ClassCastException?()A  Alpha a = x;B  Foo f= (Delta)x;C  Foo f= (Alpha)x;D  Beta b = (Beta)(Alpha)x;

考题 单选题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();

考题 单选题Given:   11. static class A {   12. void process() throws Exception { throw new Exception(); }   13. }   14. static class B extends A {   15. void process() { System.out.println("B "); }   16. }   17. public static void main(String[] args) {   18. A a = new B();   19. a.process();   20. }   What is the result? ()A  Compilation fails because of an error in line 19.B  An exception is thrown at runtime.C  BD  Compilation fails because of an error in line 18.E  Compilation fails because of an error in line 15. F  The code runs with no output.

考题 多选题class One {  void foo() {}  }  class Two extends One {   //insert method here  }  Which three methods, inserted individually at line 14, will correctly complete class Two?()Aint foo() { /* more code here */ }Bvoid foo() { /* more code here */ }Cpublic void foo() { /* more code here */ }Dprivate void foo() { /* more code here */ }Eprotected void foo() { /* more code here */ }

考题 单选题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 here 26.} 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);

考题 单选题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);