View the step-by-step solution to: 1. When a main() method needs to use another method, it calls, or

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1. When a main() method needs to use another method, it calls, or invokes it. A) True B) False 2. ____ is the process of creating a new, derived class from a base class. A) Accessibility B) Encapsulation C) Inheritance D) Polymorphism 3. A(n) ____ statement indicates the end of the catch block in the pseudocode. A) finalcatch B) finally C) endcatch D) stop 4. The call stack is where the computer stores the list of exceptions. A) True B) False 5. You can write as many constructors for a class as you want, as long as they all have different ____ lists. A) object B) data field C) method D) parameter 6. The object-oriented techniques to manage errors such as dividing a value by 0 comprise the group of methods known as ____. A) exception handling B) error handling C) exception processing D) error processing 7. A ____ is one that sends an exception object out of a method so it can be handled elsewhere. A) catch statement B) throw method C) catch block D) throw statement 8. Global variables are known to the entire class. A) True B) False 9. A constructor may require ____. A) parameters B) methods C) objects D) inheritance 10. A ____ is a segment of code that can handle an exception that might be thrown by the try block that precedes it. A) catch method B) throw block C) catch block D) throw statement 11. A child class contains all the data fields and ____ of its parent. A) parameters B) classes C) methods D) procedures 12. A catch block consists of four different elements: the keyword catch, followed by parentheses that contain an exception type and identifier, statements that take action to handle the error condition, an endcatch statement, and a return statement. A) True B) False 13. Multiple inheritance is the capability to inherit more than one method from a parent class. A) True B) False 14. Unreachable code statements are program statements that only execute if there is an exception. A) True B) False 15. A class diagram consists of a ____ divided into three sections. A) square B) rectangle C) circle D) triangle 16. A method can be used more than once within a program or in other programs. A) True B) False 17. When a data field is private, it is said to be ____ to any class other than the one in which it is defined. A) uninheritable B) implicit C) unreachable D) inaccessible 18. A method’s ____ consists of the method’s statements. A) body B) space C) space D) group 19. Write a method that will perform the a division operation (divide by) on the numbers passed to it in two variables (numerator, denominator) and outputs the results. Use a try-catch pair to output an error message if the illegal operation of divide by 0 occurs. HTML Editor 20. Programmers refer to hidden implementation details as existing in a ____. A) white box B) white hole C) black box D) black hole 21. When a variable is declared within a method, it ceases to exist when the method ends. A) True B) False 22. An object is a category of things. A) True B) False 23. Simple non-array variables are usually passed to methods by ____. A) value B) reference C) type D) class 24. An instance method or constructor may be overloaded by providing the same name and ____ argument list. A) a different B) the same C) a larger D) a smaller 25. Methods can be ____ correctly by providing different parameter lists for methods with the same name. A) updated B) tested C) overloaded D) passed 26. A method is a program module that contains a series of statements that carry out a task. A) True B) False 27. A parent class is the same thing as a base class. A) True B) False 28. Overloaded methods have the same name and parameter lists. A) True B) False 29. A ____ reference is an automatically created variable that holds the address of an object and passes it to an instance method whenever the method is called. A) key B) public C) that D) this 30. When illegal division by 0 takes place, an Exception object is not created automatically by the object-oriented language application. A) True B) False 31. Class diagrams are a type of ____ diagram. A) Unified Illustration Language B) Unified Modeling Language C) Object-Oriented Modeling Language D) Unified Pseudocode Language 32. What will be the output of the below program? List what will be outputed to the screen and explain your answer. class Class_name main() // Declarations num index num SIZE = 10 num numbers[SIZE] = 0,0,0,0,0,0,0,0,0,0 index = 0 while index < SIZE numbers[index]= index * 10 index = index + 1 endwhile output “The Output is: ” while index > 0 index = index – 1 output numbers[index] endwhile return endClass HTML Editor 33. ____ variables and constants are those that are known to an entire class. A) Global B) Local C) Universal D) Comprehensive 34. A(n) ____ is one instance of a class. A) method B) object C) instantiation D) attribute 35. The ability to use methods without knowing the details of their contents is a feature of ____. A) abstraction B) encapsulation C) inheritance D) construction 36. Design a class named CustomerRecord that holds a customer number, name, and address. Include methods to set the values for each data field and output the values for each data field. Create the class diagram and write the code (not language specific, ie. psuedocode) that defines the class. HTML Editor 37. The memory location known as the ____ is where the computer stores the list of method locations to which the system must return. A) method stack B) location stack C) call stack D) store location 38. When appropriate, specialized ____ classes provide an elegant way for you to handle error situations. A) Exception B) Error C) Constructor D) Event 39. Everything is an object, and every object is a member of a ____. A) class B) method C) case D) process 40. Libraries are collections of classes that serve related purposes. A) True B) False 41. What is the screen output of the following code segment? Explain the reasoning behind your answer. Test1 = 70 Test2 = 80 Test3 = 84 NumberOfTests = 3 Average = (Test1 + Test2 + Test3) / NumberOfTests IF Average >= 90 THEN Output “Great job” Output “Your average is: ”, Average ELSE IF Average >= 80 or Average
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Dear Student , PFA... View the full answer

objective.doc

1. TRUE
2. C
3. C
4. B - False
5. D
6. A Exception handling
7. D
8. TRUE
9. A - parameters
10. C - Catch block
11. C - Methods
12. B - False
13. B - False
14. B - False
15. B - Rectangle
16. TRUE...

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