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CS192 Programming Essentials Final_solution




1.;Multiple inheritance is the capability to inherit more than one method from a parent class.;A) True;B) False;2.;The call stack is where the computer stores the list of exceptions.;A) True;B) False;3.;A method is a program module that contains a series of statements that carry out a task.;A) True;B) False;4.;What is one item that must be included in a method?s header if it can receive a parameter?;A) local parameter name;B) global parameter name;C) parameter?s client;D) return data structure;5.;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;6.;Overloaded methods have the same name and parameter lists.;A) True;B) False;7.;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 <=89 THEN;Output ?Nice work?;Output ?Your average is: ?, Average;ELSE;Output: ?Your Average is:?, Average;Output ?, You will do better next time!?;ENDIF;HTML Editor;Output;8.;A(n) ____ statement indicates the end of the catch block in the pseudocode.;A) finalcatch;B) finally;C) endcatch;D) stop;9.;A method?s ____ consists of the method?s statements.;A) body;B) space;C) space;D) group;10.;Unreachable code statements are program statements that only execute if there is an exception.;A) True;B) False;11.;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;12.;Simple non-array variables are usually passed to methods by ____.;A) value;B) reference;C) type;D) class;13.;When a variable is declared within a method, it ceases to exist when the method ends.;A) True;B) False;14.;Class diagrams are a type of ____ diagram.;A) Unified Illustration Language;B) Unified Modeling Language;C) Object-Oriented Modeling Language;D) Unified Pseudocode Language;15.;Creating multiple methods with the same name, which will act differently and appropriately when used with different types of objects, is known as polymorphism.;A) True;B) False;16.;A parent class is the same thing as a base class.;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.;When a main() method needs to use another method, it calls, or invokes it.;A) True;B) False;19.;Everything is an object, and every object is a member of a ____.;A) class;B) method;C) case;D) process;20.;Methods are sometimes called ____.;A) segments;B) modules;C) classes;D) routines;21.;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;22.;A child class contains all the data fields and ____ of its parent.;A) parameters;B) classes;C) methods;D) procedures;23.;When illegal division by 0 takes place, an Exception object is not created automatically by the object-oriented language application.;A) True;B) False;24.;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;25.;When appropriate, specialized ____ classes provide an elegant way for you to handle error situations.;A) Exception;B) Error;C) Constructor;D) Event;26.;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;27.;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;28.;A(n) ____ is one instance of a class.;A) method;B) object;C) instantiation;D) attribute;29.;Libraries are collections of classes that serve related purposes.;A) True;B) False;30.;Methods can be ____ correctly by providing different parameter lists for methods with the same name.;A) updated;B) tested;C) overloaded;D) passed;31.;Global variables are known to the entire class.;A) True;B) False;32.;What will be the output of the below program? List what will be outputed to the screen and explain your answer.;classClass_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 0;index = index ? 1;output numbers[index];endwhile;return;endClass;Output;10;0;33.;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.;Solution;34.;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;35.;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;36.;A class diagram consists of a ____ divided into three sections.;A) square;B) rectangle;C) circle;D) triangle;37.;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;38.;The ability to use methods without knowing the details of their contents is a feature of ____.;A) abstraction;B) encapsulation;C) inheritance;D) construction;39.;An object is a category of things.;A) True;B) False;40.;A method can be used more than once within a program or in other programs.;A) True;B) False;41.;A constructor may require ____.;A) parameters;B) methods;C) objects;D) inheritance;42.;Programmers refer to hidden implementation details as existing in a ____.;A) white box;B) white hole;C) black box;D) black hole;43.;is the process of creating a new, derived class from a base class.;A) Accessibility;B) Encapsulation;C) Inheritance;D) Polymorphism;44.;variables and constants are those that are known to an entire class.;A) Global;B) Local;C) Universal;D) Comprehensive


Paper#66899 | Written in 18-Jul-2015

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