Description : Define what is the difference between compile-time polymorphism and run-time polymorphism?
Last Answer : Compile time Polymorphism Compile time Polymorphism also known as method overloading. Method overloading means having two or more methods with the same name but with different signatures. Run time ... or more methods with the same name, same signature but with a different implementation.
Description : Can you store multiple data types in System.Array?
Last Answer : No.
Description : How can you sort the elements of the array in descending order?
Last Answer : By calling Sort() and then Reverse() methods.
Description : What’s the difference between the System.Array.CopyTo() and System.Array.Clone()?
Last Answer : The first one performs a deep copy of the array, the second one is shallow.
Description : Write some code to implement a jagged array.
Last Answer : // Declare the array of two elements: int[][] myArray = new int[2][]; // Initialize the elements: myArray[0] = new int[5] {1,3,5,7,9}; myArray[1] = new int[4] {2,4,6,8};
Description : Write some code to implement a multidimensional array.
Last Answer : int[,] b = {{0, 1}, {2, 3}, {4, 5}, {6, 7}, {8, 9}};
Description : Can you resize an array at runtime?
Last Answer : No
Description : What is array rank?
Last Answer : The dimension of the array.
Description : What is the default index of an array?
Last Answer : 0
Description : Write some code that declares an array on ints, assigns the values: 0,1,2,5,7,8,11 to that array and use a foreach to do something with those values.
Last Answer : int x = 0, y = 0; int[] arr = new int [] {0,1,2}; foreach (int i in arr) { if (i%2 == 0) x++; else y++; }
Last Answer : The Clone() method returns a new array (a shallow copy) object containing all the elements in the original array. The CopyTo() method copies the elements into another existing array. Both perform a ... create a new instance of each element's object, resulting in a different, yet identacle object.
Description : Define what is the difference between Array and LinkedList?
Last Answer : The array is a simple sequence of numbers which are not concerned about each other’s positions. they are independent of each other’s positions. adding, removing or modifying any array element is very easy. Compared to arrays, a linked list is a complicated sequence of numbers.
Description : Define what is the difference between Array and ArrayList?
Last Answer : An array is a collection of the same type. The size of the array is fixed in its declaration. A linked list is similar to an array but it doesn’t have a limited size.
Description : List out the differences between Array and ArrayList in C#?
Last Answer : Array stores the values or elements of the same data type but ArrayList stores values of different data types. Arrays will use the fixed length but ArrayList does not use fixed length like an array.
Description : Briefly explain the difference between Public (public), Friend (internal), and Private (private) access levels as they apply to user-defined types and members.
Last Answer : In user-defined types, Public (public) classes can be instantiated by any element of the application. Friend (internal) classes can be instantiated only by members of the same assembly, and Private ( ... the same assembly, and Private (private) members can be accessed only from within the type.
Description : What size is a .NET object?
Last Answer : Each instance of a reference type has two fields maintained by the runtime - a method table pointer and a sync block. These are 4 bytes each on a 32-bit system, making a total of 8 bytes ... bytes, even for classes with no data (e.g. System.Object). Values types have no equivalent overhead.
Description : Explain the need to compile each time the program is executed. ?
Last Answer : Compile is required every time the program is executed. The compiler is more useful as a translator program. The compiler translates high-level language source programs into object programs. The compiler ... , the compiler is no longer needed. Displays any errors in the program on the monitor.
Description : What is the purpose of a bootstrapper application? When do you not need to create one?
Last Answer : A bootstrapper application automatically detects if Windows Installer is installed on the target machine. If Windows Installer is not present, it installs Windows Installer before proceeding with the rest ... Installer 1.5 already installed) or have had Microsoft Installer 1.5 installed previously.
Description : Do you need to instantiate a class before accessing a Shared (static) member? Why or why not?
Last Answer : Because a Shared (static) member belongs to the type rather than to any instance of the type, you can access the member without first creating an instance of the type.
Description : If I have a constructor with a parameter, do I need to explicitly create a default constructor?
Last Answer : Yes
Description : Does an object need to be made to run main?
Description : I would need help with compiling a menu (6 courses) when I have as an intermediate Herb carp in wine with pea puree with potato basket with grapes. To the wine festival event.
Last Answer : Need Answer
Description : Explain how to retrieve information from the configuration file at run time. How would you store information in the configuration file at design time?
Last Answer : You must first create an instance of AppSettingsReader to read the configuration file. You can then call the GetValue method to read values represented in the configuration file. To add configuration ... used to retrieve the entry. The value can be changed between executions of the application.
Description : Describe how to use code to retrieve resources at run time.
Last Answer : You must first create an instance of the ResourceManager class that is associated with the assembly that contains the desired resource. You can then use the GetString method to retrieve string resources or the GetObject method to retrieve object resources.
Description : Describe in general terms how to add a control to a form at run time.
Last Answer : You must first declare and instantiate a new instance of the control. Then, you must add the control to the form�s Controls collection. Once the control has been added to the Controls collection, you must manually set properties that govern the control�s position and appearance.
Description : During program execution content of main memory undergo changes and, but control memory has _ microprogram: a. Static b. Dynamic c. Compile time d. Fixed
Last Answer : d. Fixed
Description : What error will be generated if a space is given between the logical AND operator (&&)? Will it be a compile-time or a run-time error?
Last Answer : Example: if(5>2 & & 6
Description : Differentiate between run time and compile time polymorphism.
Last Answer : Sr. No. Compile time polymorphism Runtime polymorphism 1 In this polymorphism, an object is bound to its function call at compile time. In this polymorphism, ... is implemented with operator overloading or function overloading It is implemented with virtual function.
Description : Compare run-time and compile-time polymorphism.
Last Answer : Compare run-time and compile-time polymorphism.
Description : How to achieve compile time polymorphism explain in detail.
Last Answer : The process of linking of function call to function definition at compile time is called as Compile Time Polymorphism. It can be through Function and operator overloading. Function overloading: The process of defining the ... \n Concatenated String is:"; str1.display(); getch(); }
Description : Write any four differences between compile time and run time polymorphism.
Last Answer : Sr. No. Compile-time Polymorphism Run-time Polymorphism 1 Compile time polymorphism means that an object is bound to its function call at compile time. Run time polymorphism means that selection ... binding. 7 E.g. overloaded function call. E.g. virtual function.
Description : Which of the following differentiates between overloaded functions and overridden functions ? (A) Overloading is a dynamic or runtime binding and overridden is a static or compile time binding. ... function overloading, while redefining a function in a friend class is called function overriding.
Last Answer : (B) Overloading is a static or compile time binding and overriding is dynamic or runtime binding.
Description : What si the difference between interface and abstractclass Select Answer: 1. interface contain only methods 2. we can't declare a variable for interface 3. interface contain only events 4. None 5. All
Last Answer : Ans : 2 The only Difference between Interface and Abstract class is we can declare a variable in abstract class but we can't declare in variable interface
Description : What is the lifespan for items stored in ViewState? Select Answer: 1. Item stored in ViewState exist for the life of the current page 2. Item stored in ViewState exist for the life ... of the current Applicaiton 4. Item stored in ViewState exist for the life of the current configuration
Last Answer : 1. Item stored in ViewState exist for the life of the current page AS any web application works on request and response basis ,so on every post backs, The data in control gets lost. To retain page ... control with data. The life cycle of the view state exist for life of current running page only.
Description : Which one of the following tools is used to view the metadata information contained in a .NET assembly? Select Answer: 1. al.exe 2. ilasm.exe 3. vbx.exe 4. csc.exe 5. ildasm.exe
Last Answer : 5. ildasm.exe
Description : How would you ensure that all relevant registry entries were removed in the event that installation of your application failed?
Last Answer : You can ensure that registry entries are removed, as well as perform any other “clean-up” tasks, by creating an Installer class and writing the appropriate code in the Rollback event handler. Then create a new Custom Action and set the InstallerClass, and EntryPoint properties to appropriate values.
Description : Describe a general strategy for creating a setup project that terminates installation if a specific file is not already installed on the target machine.
Last Answer : First, create a file search to search the file system for the specific file. Then create a launch condition to evaluate the results of the search. You can connect the launch condition to ... in the search's Property property in the expression specified by the launch condition's Condition property.
Description : What is a native image? How do you create one?
Last Answer : A native image is a precompiled version of a .NET assembly. You can create a native image of your application by using the Ngen.exe utility.
Description : Describe XCOPY deployment. Under what conditions is it useful? When can it not be used?
Last Answer : XCOPY deployment is a simple method of deployment where the DOS command XCOPY is used to copy the application directory and any subdirectories to the target machine. You can use XCOPY ... an application requires a more complex deployment or references shared assemblies, you cannot use XCOPY.
Description : What is a shared assembly? How would you create one?
Last Answer : An assembly is an assembly of which only a single copy is installed per machine. This copy can be shared by multiple applications. To make an assembly a shared assembly, you must first assign it a strong name, and then install it to the global assembly cache.
Description : Briefly highlight the differences between imperative and declarative security as they pertain to code access security.
Last Answer : Imperative security is implemented by calling methods of Permission objects in code at run time. Declarative security is configured by attaching attributes representing permissions to classes ... request assembly-wide permissions using the Assembly (assembly) directive with declarative security.
Description : Describe how to sign your assembly with a strong name. Why would you want to do this?
Last Answer : To sign your assembly with a strong name, you must have access to a key file or create one with the strong name utility (sn.exe). You then specify the key file in the AssemblyInfo file and ... identity, a strong name is required if you want to install your assembly to the Global Assembly Cache.
Description : Explain how to use the PrintPreviewDialog control to display a preview of a printed document before it is printed.
Last Answer : You display a preview of a printed document with the PrintPreviewDialog control by first setting the PrintDocument property of the PrintPreviewDialog instance to the PrintDocument you want to preview, then by calling the PrintPreviewDialog.Show command to display the dialog box.
Description : Explain the difference between Globalization and Localization.
Last Answer : Globalization refers to the application of culture-specific format to existing data. Localization refers to providing new culture-specific resources and retrieving the appropriate resources based on the culture setting.
Description : Explain how to convert data in legacy code page formats to the Unicode format.
Last Answer : You can use the Encoding.Convert method to convert data between encoding types. This method requires instances of both encoding types and an array of bytes that represents the data to be converted. ... GetBytes method and can convert an array of bytes back to chars with the Encoding.GetChars method.
Description : Describe how to create localized versions of a form.
Last Answer : To create a localized version of a form, set the Localizable property to true. Then set the Language property to the language/region for which you want to create the localized form. Make ... be stored in resource files and loaded when the CurrentUICulture is set to the appropriate CultureInfo.
Description : Explain how to use the HelpProvider component to provide help for UI elements.
Last Answer : You can provide either a HelpString or a help topic for UI elements with the HelpProvider. The HelpProvider provides HelpString, HelpKeyWord, and HelpNavigator properties for each control on the form. If ... particular element is displayed when the element has the focus and the F1 key is pressed.