单项选择题


Which code snippet inserted at line 12 cause the client to redirect tohttp://www.example.com?()

A. response.send Redirect (http://www.example.com):
B. response.send Redirect (new URL (“http://www.example.com”));
C. Request Dispatcher rd=  get Servlet Context (). Get Request Dispatcher (  http://www.example.com”)’  rd. forward (request. Response):
D. Request Dispatch rd=  Get Servlet Context ().get Request Dispatcher(  New URL (http://www.example.com));  Rd. forward (request.response):


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1.单项选择题Given an Http Session session. A Servlet Request request. And a Servlet Context context. Which retrieves a URL to /WEB INF/ my config.xml within a web application?()

A. session.get Resource (“/WEB-INF/myconfig.xml”)
B. request.get Resource (“/WEB-INF/myconfig.xml”)
C. context.get Resource (“/WEB-INF/myconfig.xml”)
D. get Class ().get Resource (“/WEB-INF/myconfig.xml”)

2.单项选择题Which will declare a method that is available to all members of the same package and be referenced without an instance of the class?()

A. abstract public void methoda ();
B. public abstract double inethoda ();
C. static void methoda (double dl) {}
D. public native double methoda () {}
E. protected void methoda (double dl) {}

3.多项选择题Which the three are valid declarations of a float?()

A. float foo = -1;
B. float foo = 1.0;
C. float foo = 42el:
D. float foo = 2.02f:
E. float foo = 3.03d:

4.多项选择题Which the two demonstrate encapsulation of data?()

A. Member data have no access modifiers.
B. Member data can be modified directly.
C. The access modifier for methods is protected.
D. The access modifier to member data is private.
E. Methods provide for access and modification of data.

5.单项选择题


What OrderSErvlet method is invoked as a result of this from submission?()

A. doGET
B. doPUT
C. doPost
D. doTrace
E. doSubmit

6.单项选择题

After execution. What are the values for i and j ()

A. i = 6 and j = 5
B. i = 5 and j = 5
C. i = 6 and j = 4
D. i = 6and j = 6

7.单项选择题


Which statement at Point X on line 1 allows this code to compile and run?()

A. import java.io.*.;
B. include java.io.*;
C. import java.io.PrintWriter;
D. include java.io.PrintWRiter;
E. No statement in needed.

8.单项选择题


What is the final value of i?()

A. 1
B. 2
C. 3
D. 4
E. 5

9.多项选择题


Which two are valid examples of method overriding?()

A. float getVar() {return x:}
B. public float getVar() {return x; }
C. public double getVar() {return x; }
D. protected float getVar() {return x; }
E. public float getVar(float f) {return f;}

10.多项选择题


Which two are true? ()

A. The foo initialization parameter CANNOT be set programmatically.
B. Compilation fails because getlnitParameter returns type Object.
C. The foo initialization parameter is NOT a servlet initialization parameter.
D. Compilation fails because ServletContext does NOT have a getlnitParameter method.
E. The foo parameter must de defined within the  element of the deployment  descriptor.
F. The foo initialization parameter can also be retrievedusing getSErvletConfig().  GetlnitParameter (“foo”).

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