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CSharp C#

Question or StatementAnswer - MixedExtra Notes
You can overload an operator for a built-in data type. False You cannot overload an operator for a built-in data type. For example, you cannot change the meaning of + between two ints. - - Microsoft Visual C# 2012 Intro to OOP 5e
A method can return, at most, one value to a method that calls it. True A method can return, at most, one value to a method that calls it. - Microsoft Visual C# 2012 Intro to OOP 5e
If you don’t write a constructor for a class object, C# writes one for you. True If you don’t write a constructor for a class object, C# writes one for you. - Microsoft Visual C# 2012 Intro to OOP 5e
Unlike simple parameters, you cannot use out or ref when passing an array to a method. False As with simple parameters, you use out or ref when passing an array to a method. You will declare the array in the calling method, but use the new operator to allocate memory for it in the called method. - Microsoft Visual C# 2012 Intro to OOP 5e
An implicit, or invisible, reference is passed to every instance method and property accessor. The implicitly passed reference is the ____ reference. this The difference lies in an implicit, or invisible, reference that is passed to every instance method and property accessor. The implicitly passed reference is the this reference. - Microsoft Visual C# 2012 Intro to OOP 5e
____ involves using one term to indicate diverse meanings. Overloading Exact Definition from Microsoft Visual C# 2012 Intro to OOP 5e
A class client is also known as a class ____. user A program or class that instantiates objects of another prewritten class is a class client or class user. - Microsoft Visual C# 2012 Intro to OOP 5e
Only ____ parameters can be given default values. value Only value parameters can be given default values; ref, out, and array parameters cannot have default values. Any optional parameters in a parameter list must appear to the right of the mandatory parameters.- Microsoft Visual C# 2012 Intro to OOP 5e
When you don’t know how many arguments you might eventually send to a method, you can declare a(n) ____. parameter array A parameter array is a local array declared within the method header using the keyword params. Such a method accepts any number of arguments that are all the same type. - Microsoft Visual C# 2012 Intro to OOP 5e - paraphrased
____ describe(s) a situation in which the compiler cannot determine which method to use. Ambiguous method When you overload a method, you run the risk of creating ambiguous methods—a situation in which the compiler cannot determine which method to use. - Microsoft Visual C# 2012 Intro to OOP 5e
A(n) ____ constructor is one that takes no arguments. parameterless In other words, it is a default constructor. - Microsoft Visual C# 2012 Intro to OOP 5e
Programmers say that a value parameter is used for “____” parameter passing. in Exact Definition from Microsoft Visual C# 2012 Intro to OOP 5e
Betterness rules are similar to ____ conversion rules. implicit data type Implicit conversion is the conversion that occurs when a type is automatically changed to another upon assignment. See Data Type Conversions Are Better in This Order - Microsoft Visual C# 2012 Intro to OOP 5e
Object attributes often are called ____ to help distinguish them from other variables you might use. fields The data components of a class that differ for each object are stored in instance variables. Instance variables also are called fields to help distinguish them from other variables you might use. - Microsoft Visual C# 2012 Intro to OOP 5e
A(n) ____ parameter is one that is undeclared and that gets its value automatically. implicit Exact Definition from Microsoft Visual C# 2012 Intro to OOP 5e
On occasion, you might want a method to be able to alter a value you pass to it. In that case, you can use a(n) ____ parameter or an output parameter. reference Exact Definition from Microsoft Visual C# 2012 Intro to OOP 5e
When you use a(n) ____ parameter, any passed variable must have an assigned value. reference Exact Definition from Microsoft Visual C# 2012 Intro to OOP 5e
The data components of a class that differ for each object are stored in ____. instance variables Exact Definition from Microsoft Visual C# 2012 Intro to OOP 5e
The ____ class access modifier means that access to the class is not limited. public Exact Definition from Microsoft Visual C# 2012 Intro to OOP 5e
The classes that support simple data items each contain a method named ____, which provides the details of how the basic data types compare to each other. CompareTo() CompareTo() is a method that compares objects; it is overridden in many classes, including String, and in the IComparable interface.- Microsoft Visual C# 2012 Intro to OOP 5e
You name an argument using its parameter name and a ____ before the value. colon Exact Definition from Microsoft Visual C# 2012 Intro to OOP 5e
The ____ class access modifier means that access is limited to another class to which the class belongs. private Exact Definition from Microsoft Visual C# 2012 Intro to OOP 5e
The set of contents of an object’s instance variables also are known as its ____. state An object’s state is the set of contents of its fields.- Microsoft Visual C# 2012 Intro to OOP 5e
A(n) ____ is a collection of abstract methods (and perhaps other members) that can be used by any class, as long as the class provides a definition to override the interface’s do-nothing, or abstract, method definitions. interface Exact Definition from Microsoft Visual C# 2012 Intro to OOP 5e
Created when a function is created. A variable within the function would only need to be created one time. Calling the function numerously, from within itself (like Recursion) doesn't require recreation of the variables. Constructors
Called when a function closes and releases the memory being held by a Constructor. Destructors
Both reference and output parameters occupy their own memory locations. False Reference parameters, output parameters, and parameter arrays do not occupy their own memory locations. - Microsoft Visual C# 2012 Intro to OOP 5e
Created by: chaseswafford27