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programming languages Online Quiz - 317

Description: programming languages Online Quiz - 317
Number of Questions: 20
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Tags: programming languages
Attempted 0/20 Correct 0 Score 0
  1. The type List is assignable to List.

  2. The type List is assignable to List>.

  3. The type List is assignable to List extends B>.

  4. The type List extends A> is assignable to List.

  5. The type List is assignable to any List reference.

  6. The type List extends B> is assignable to List extends A>.


Correct Option: B,C,F

Click the Exhibit button. 10. class Inner { 11. private int x; 12. public void setX( int x) { this.x = x; } 13. public int getX() { return x; } 14. } 15. 16. class Outer { 17. private Inner y; 18. public void setY( Inner y) { this.y = y; } 19. public Inner getY() { return y; } 20. } 21. 22. public class Gamma { 23. public static void main( String[] args) { 24. Outer o = new Outer(); 25. Inner i = new Inner(); 26.int n=10; 27. i.setX(n); 28. o.setY(i); 29. // insert code here 30. System.out.println( o.getY().getX()); 31. } 32. } Which three code fragments, added individually at line 29, produce the output 100? (Choose three.)

  1. n = 100;

  2. i.setX( 100);

  3. o.getY().setX( 100);

  4. i = new Inner(); i.setX( 100);

  5. o.setY( i); i = new Inner(); i.setX( 100);

  6. i = new Inner(); i.setX( 100); o.setY( i);


Correct Option: B,C,F

Given: 1. public class Threads2 implements Runnable { 2. 3. public void nun() { 4. System.out.println(”run.”); 5. throw new RuntimeException(”Problem”); 6. } 7. public static void main(String[] args) { 8. Thread t = new Thread(new Threads2()); 9. t.start(); 10. System.out.println(”End of method.”); 11. } 12. } Which two can be results? (Choose two.) A. java.lang.RuntimeException: Problem B. run. java.lang.RuntimeException: Problem C. End of method. java.lang.RuntimeException: Problem D. End of method. run. java.lang.RuntimeException: Problem E. run. java.lang.RuntimeException: Problem End of method.

  1. A

  2. B

  3. C

  4. D

  5. E


Correct Option: D,E

Click the Exhibit button. 1. public class A { 2. public void method1() { 3. B b=new B(); 4. b.method2(); 5. // more code here 6. } 7. } 1. public class B { 2. public void method2() { 3.C c=new C(); 4. c.method3(); 5. // more code here 6. } 7. } 1. public class C { 2. public void method3() { 3. // more code here 4. } 5. } Given: 25. try { 26. A a=new A(); 27. a.method1(); 28. } catch (Exception e) { 29. System.out.print(”an error occurred”); 30. } Which two are true if a NullPointerException is thrown on line 3 of class C? (Choose two.)

  1. The application will crash.

  2. The code on line 29 will be executed.

  3. The code on line 5 of class A will execute.

  4. The code on line 5 of class B will execute.

  5. The exception will be propagated back to line 27.


Correct Option: B,E
  1. Task View and Gnatt Chart View

  2. Task View, Time View and Workflow View

  3. Task View, Gnatt Chart View and workflow view

  4. Gnatt View and Workflow view


Correct Option: A

Repository Manager is used to

  1. Create user

  2. Create folders

  3. Assign privileges

  4. All of the above


Correct Option: D

Which of the following is not a type of Workflow Task

  1. Mapping

  2. Decision

  3. Session

  4. Email


Correct Option: A
  1. Informatica Server

  2. Repository Server

  3. Both A and B

  4. Neither A nor B


Correct Option: C
  1. Tasks must be within Workflows in order to be executed

  2. Workflows must be within Tasks to be executed

  3. Workflow links may contain conditions

  4. A start task is default task in a Workflow


Correct Option: B
  1. Relational Databases

  2. Relational Databases and flat files

  3. Relational Databases,lat files and cobol

  4. Relational Databases,lat files,cobol and certified ERP sources such as Peoplesoft and SAP R/3


Correct Option: D

Which activities below can be performed using Designer

  1. Run the Debugger, validate mappings and mapplets, import source definitions

  2. Run the debugger, create and delete folders, import source definitions

  3. Create and delete folders, view object dependencies, import source definitions

  4. Create and delete folders, create and edit mappings, create target tables


Correct Option: A

Which of the following is not a task in Workflow Manager

  1. Email

  2. Session

  3. Workflow

  4. Timer


Correct Option: C
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