Tag: web technology

Questions Related to web technology

Given: 3. public class TestDays { 4. public enum Days { MON, TUE, WED }; 5. public static void main(String[] args) { 6. for(Days d : Days.values() ) 7. ; 8. Days [] d2 = Days.values(); 9. System.out.println(d2[2]); 10. } 11. } What is the result? (Choose all that apply.)
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  1. TUE

  2. Wed

  3. The output is unpredictable

  4. Compilation fails due to an error on line 4

  5. Compilation fails due to an error on line 6

  6. Compilation fails due to an error on line 8

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Correct Option: B

Given the proper import statement(s), and 13. PriorityQueue pq = new PriorityQueue(); 14. pq.add("2"); 15. pq.add("4"); 16. System.out.print(pq.peek() + " "); 17. pq.offer("1"); 18. pq.add("3"); 19. pq.remove("1"); 20. System.out.print(pq.poll() + " "); 21. if(pq.remove("2")) System.out.print(pq.poll() + " "); 22. System.out.println(pq.poll() + " " + pq.peek()); What is the result?
technology web technology

  1. 2 2 3 3

  2. 2 2 3 4

  3. 4 3 3 4

  4. 2 2 3 3 3

  5. 4 3 3 3 3

  6. 2 2 3 3 4

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Correct Option: B

What is output to the web page on the second access to the same instance of the following JSP? (Choose one.) Chapter 6 Question 2

Chapter 6 Question 2

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  1. 0

  2. 1

  3. 2

  4. 3

  5. 4

  6. Page does not translate.

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Correct Option: D

In the UML notation a class can be represented by

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  1. A rectangular box with the name of the class in the box

  2. A rectangular box with the name of the object, a : and the class name that the object belongs to

  3. A rectangular box with the class name prefixed by the word "class"

  4. A thin vertical line with key method calls shown as outward arrows

  5. A rectangular box with an inserted dashed box on the top right corner.

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Correct Option: A

In the UML notation, an object can be represented by
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  1. A comment or explanatory note associated with a class

  2. A rectangular box with the object name and the constraint "{object}" immediatly following it

  3. A rectangular box with the name of the object in the box.

  4. A rectangular box with the name of the object, a : and the class name that the object belongs to.

  5. A thin vertical line with key method calls shown as outward arrows .

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Correct Option: D

Inheritance relationships are represented in the UML notation by:
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  1. nesting of classes

  2. lines with a solid diamond at one end

  3. lines with a hollow diamond at one end

  4. lines with a triangular arrow at one end

  5. lines with a triangular arrow at both ends

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Correct Option: D

Mandatory Method(s) to be defined in servlets
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  1. getSessionBehaviour()

  2. getApplicationId()

  3. getSecurityLevel()

  4. getServletName()

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Correct Option: B

Which one of the following folder is mandatory to be defined to use the ps: custom tags
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  1. TLDs

  2. DDLs

  3. Web-inf

  4. Meta-Inf

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Correct Option: A

Which one is correct?
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  1. Write name here

  2. Write name here

  3. Write name here

  4. Write name here

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Correct Option: A

The file where the context root of the application is specified
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  1. Web.xml

  2. application.xml

  3. ps.xml

  4. Actionconfig.xml

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Correct Option: B