CPSC 2150 Exams || A+ Graded Already.

Singleton Pattern correct answers Access only one object which can be accessed directly without the need to instantiate the object of the class; creational Factory Method Pattern correct answers Create objects without exposing the creation logic to the caller and refer to newly created object usi...

Who is responsible for making sure that the precondition of a function is met? correct answers The client that calls the function Who is responsible for making sure that the post-condition of a function is met? correct answers The implementer of the function Is it a good practice to have each ...

_________ make interfaces and classes reusable by parameterizing them correct answers Generics What is this an example of? public interface IStack <T> { public void push(T x); public T pop(); public int depth(); } correct answers Generic Interface How to instantiate a variable of...

Failure correct answers any deviation of the observed behavior from the specified behavior Erroneous State correct answers the system is in a state such that further processing of the system will result in a failure Fault correct answers the mechanical or algorithmic cause of the erroneous sta...

When zipping up our directory on unix, which flag will we use to include all the subdirectories and their files as well? correct answers -r Which of the following are included in a Makefile command? (may be more than one) correct answers target, dependencies, unix command to run In java, a mai...

Some important differences between Java and C++ include... correct answers -Every class in Java can have it's own main method -Everything in Java is inside a class -Since Java runs in its own virtual environment, the same Java code can run on any operating system In Java, a main method must......

Correspondences correct answers are used to tie our private data variables in the implementation to the abstract concepts that appear in our interface specification dynamic correct answers When java is determining which version of an overridden method to run, it will use the method in the _______...

As a professional... correct answers - projects will be much more complex - will work on a large team - projects can span years, with incremental releases - will have to build off someone else's code Major projects don't rewrite the system with new versions but... correct answers change part...

Why are Generics useful? correct answers Generics make interfaces and classes reusable by parameterizing them Which is an example of a generic interface? a.) List<Integer> b.) vector<Double> c.) Both a & b correct answers c Write some code for a stack interface correct answers...

A _____ can implement a _____ in Java. correct answers Class, Interface Abstract Class, Interface A _____ can extend a _____ in Java. correct answers Class, Class Interface, Interface Class, Abstract Class Newer Versions of Java (after Java 8) allow for private data fields in an interface, ...

Interface files can contain private attributes that we know we will use in every implementation correct answers False What type of data types can be the declared type? Select all correct answer correct answers Interfaces Primitive Data Types Classes What type of data types can be the dynamic...

Encapsulation correct answers Grouping related data and operations together Information Hiding correct answers How we control access to encapsulated data and operations. Done through visibility settings (public, private, package private, protected) Separation of Concerns correct answers Whe...

Who is responsible for making sure that the precondition of a method is met? correct answers The client that calls the method Who is responsible for making sure that the postcondition of a method is met? correct answers The implementer of the method At which times is it safe to assume that the...

Boolean and boolean are the same data type correct answers False Static members belong to the class itself, and not to the object correct answers True A class in java can have multiple constructors correct answers True in java, it is possible to have a function that exists outside the class...