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.
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What is the final value of i？（）
A. 1
B. 2
C. 3
D. 4
E. 5
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；}
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
F. The foo initialization parameter can also be retrievedusing getSErvletConfig（）. GetlnitParameter （“foo”）.
A. request.getHeader （“X-Retries”）
B. request.getIntHeader （“X-Retries”）
C. request.getRequestHeader （“x-Retries”）
D. request.getHeaders （“X-Retries”）.get （0）
E. re request.getRequest Headers （“X-Retries”）. Get （0）
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 = 5 and j = 6
E. i = 6 and j = 6
When is the Float object. Created in line 3. eligible for garbage collection？（）
A. just after line 5
B. just after line 6
C. just after line 7 （That is. As the method returns）
D. Never in this method
A. false
B. default
C. _object
D. a-class
A. 3 / 2
B. 3 < 2
C. 3 * 4
D. 3 << 2
E. 3 * 22
F. 3 <<<2
Which statement is true？（）
A. The MyCircle class is full encapsulated.
B. The diameter of a given MyCircle is guaranteed to be twice its radius.
C. Lines 6 and 7 should be in a synchronized block to ensure encapsulation.
D. The radius of a MyCircle object can be set without affecting its diameter.
A collection of products is stored in the Servle Context in an attribute called catalog.
Which JSTL code structure iterated over each product in the collection and prints out the names of the products in an un-ordered list？（）
A.A
B.B
C.C
D.D
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Which two authentication mechanisms provide weaker protection than other mechanisms？（）
Which the two are characteristics of the Service Locator pattern？（）
Which the three are true about servlet filters？（）
Which the JSTL code snippet can be used to import content from another web resource？（）
A custom JSP tag must be able to support an arbitrary number of attributes whose names are unknown when the tag class is designed. Which two are true？ （）
A JSP page， current.jsp， is created to display the current weather report. The weather report is contained in a weather.html page that is rewritten every five minutes. Which line， appearing in current.jsp， ensures that the most recent version of weather.html is included whenever current.jsp is referenced？（）
Which two are true（）
A developer is designing a web application which extensively uses EJBs and JMS. The developer finds that there is a lot of duplicated code to build the JNDI contexts to access the beans and queues. Further， because of the complexity， there are numerous errors in the code. Which J2EE design pattern provides a solution for this problem？（）
For a given product instance， which three jsp：setProperty attributes must be used to initialized its properties form the HTML form？ （）
Which the two are valid and equivalent？（）