Multiple inheritance is the capability to inherit more than one method from a pa
ID: 3647262 • Letter: M
Question
Multiple inheritance is the capability to inherit more than one method from a parent class.
A) True
B) False
2.
The ability to use methods without knowing the details of their contents is a feature of ____.
A) abstraction
B) encapsulation
C) inheritance
D) construction
3.
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
4.
Programmers refer to hidden implementation details as existing in a ____.
A) white box
B) white hole
C) black box
D) black hole
5.
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
6.
When illegal division by 0 takes place, an Exception object is not created automatically by the object-oriented language application.
A) True
B) False
7.
____ is the process of creating a new, derived class from a base class.
A) Accessibility
B) Encapsulation
C) Inheritance
D) Polymorphism
8.
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
9.
What is one item that must be included in a method
Explanation / Answer
Multiple inheritance is the capability to inherit more than one method from a parent class. B) False 2. The ability to use methods without knowing the details of their contents is a feature of ____. B) encapsulation 3. When a data field is private, it is said to be ____ to any class other than the one in which it is defined. B) implicit 4. Programmers refer to hidden implementation details as existing in a ____. C) black box 5. A ____ is one that sends an exception object out of a method so it can be handled elsewhere. D) throw statement 6. When illegal division by 0 takes place, an Exception object is not created automatically by the object-oriented language application. B) False 7. ____ is the process of creating a new, derived class from a base class. C) Inheritance 8. 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. float divison(float num, float den) { try { return num/den; } catch(ArithmeticException ex) { System.out.println(ex.Message()); } } HTML Editor 9. What is one item that must be included in a method’s header if it can receive a parameter? A) local parameter name 10. A method is a program module that contains a series of statements that carry out a task. A) True 11. An instance method or constructor may be overloaded by providing the same name and ____ argument list. A) a different 12. The object-oriented techniques to manage errors such as dividing a value by 0 comprise the group of methods known as ____. A) exception handling 13. A constructor may require ____. A) parameters 14. The memory location known as the ____ is where the computer stores the list of method locations to which the system must return. C) call stack 15. When a variable is declared within a method, it ceases to exist when the method ends. A) True 16. Global variables are known to the entire class. A) True 17. A method can be used more than once within a program or in other programs. A) True 18. 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 19. Overloaded methods have the same name and parameter lists. B) False 20. You can write as many constructors for a class as you want, as long as they all have different ____ lists. D) parameter 21. Unreachable code statements are program statements that only execute if there is an exception. B) False 22. Methods can be ____ correctly by providing different parameter lists for methods with the same name. C) overloaded 23. A child class contains all the data fields and ____ of its parent. C) methods 24. When a main() method needs to use another method, it calls, or invokes it. A) True 25. 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. B) False 26. ____ variables and constants are those that are known to an entire class. A) Global 27. A(n) ____ statement indicates the end of the catch block in the pseudocode. C) endcatch 28. An object is a category of things. B) False 29. A parent class is the same thing as a base class. True 30. Everything is an object, and every object is a member of a ____. A) class 31. Libraries are collections of classes that serve related purposes. A) True 32. When appropriate, specialized ____ classes provide an elegant way for you to handle error situations. A) Exception 33. A(n) ____ is one instance of a class. B) object 34. The call stack is where the computer stores the list of exceptions. A) True 35. A method’s ____ consists of the method’s statements. A) body 36. A ____ is a segment of code that can handle an exception that might be thrown by the try block that precedes it. C) catch block 37. 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 AverageRelated Questions
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