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Can u create the instance for abstract classes
yunuskhan
- Mar 4th, 2009
We can create an instance of an abstract class.The below code is not working:sayHello is an abstract classObject o=System.Activator.CreateInstance(typeof(sayhello));
Gaurav
- Sep 26th, 2006
This is not working. Following is the code:using System;using System.Collections.Generic;using System.Text;namespace ConsoleApplication2{public abstract class sayhello{public void hello(){Console.Writ...
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To write a line of text to the xonsole window, we make the following call
Skill/Topic: BeginnerA) Console.WriteLine()B) console.writeline()C) System.Output()
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The correct syntax for defining a delefate is:
Skill/Topic: AdvancedA) delegate {MyMethod( int y) }B) delegate void MyMethod(int y) ;C) delegate: MyMethod (int y)
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What is a multicast delegate?
Skill/Topic: IntermediateA) a delegate having multiple handlers assigned to itB) a delegate called multiple timesC) a delegate which has multiple implementations
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A delegate in C# is similar to:
Skill/Topic: AdvancedA) COMB) a function pointerC) a pointer
Amit
- Oct 13th, 2006
Its Function Pointer Definetly
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To change the value of a variable while debugging , the following window is used
Skill/Topic: IntermediateA) DebugB) WatchC) Immediate
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Which language is more suitable for writing extermely high performance mission critical applications?
Skill/Topic: AdvancedA) C#B) C++C) Visual Basic .NETExplanation: This is an area where C# lags.
xxdanbrowne
- Jun 19th, 2008
This is a trick question and depends on what you mean by "high performance".If you mean "do something that is non-standard" then probably c++.If you mean using existing tools then both c# AND vb.net are adequate.But again, it depends on what you mean.
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Events in C# are impltemented using:
Skill/Topic: AdvancedA) Specialized DLLsB) PointersC) Delegates
prakhar
- May 17th, 2006
ha ha ha..here u go again sisira.. opening your stinking mouth.When you dont know the answers why you shamelessly give the answer
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What is Boxing?
Skill/Topic: AdvancedA) conversion of reference types to value typesB) conversion of value types to reference typesC) Encapsulating a base class
Ramesh
- Mar 21st, 2006
The Exact Result is Ans : Convertion of Value type to Reference type
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Can we use pointers in C#?
Skill/Topic: AdvancedA) YesB) NoExplanation: Pointers can be used if required, but it will be unsafe code.
s
- Feb 15th, 2006
Well, actually, we can use pointers in C#..only tht we should mark the code as unsafe and before compiling we should use the tag unsafe.
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What is automatic memory management in .NET known as:
Skill/Topic: AdvancedA) Managed CodeB) Smart CachingC) Garbage Collection
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Reference types are stored in :
Skill/Topic: AdvancedA) the HeapB) the stackC) the hard-disk
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What is CLS?
Skill/Topic: BeginnerA) Common Language SpecificationB) Common Library SystemC) Csharp Language SpecificationD) Code Location Specification
moruan
- Feb 8th, 2009
CLS is common language specification, simply a specification that defines the rules to support language integration in such a way that programs written in any language.
Bhaskar Char T.N
- Jan 19th, 2007
CLS: (Common Language Specification) This allows very tight interrupt between different .net languages.E.g.:- Allowing C# class to inherit in vb class.
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How do I do implement a trace and assert?
Use a conditional attribute on the method, as shown below: class Debug{[conditional("TRACE")]public void Trace(string s){Console.WriteLine(s);}}class MyClass{public static void Main(){Debug.Trace("hello");}}In this example, the call to Debug.Trace() is made only if the preprocessor symbol TRACE is defined at the call site. You can define preprocessor symbols on the command line by using the /D switch....
Farohar
- Jan 22nd, 2009
Well, you cant add the namespace System.Diagnostics.ConditionalAttribute. Actually you need to add the namespace System.Diagnostics and capitalise "Conditional" like so:using System;using Sy...
swag
- Dec 26th, 2005
if you are using conditinoal attribute then add the name spaceSystem.Diagnostics.ConditionalAttribute
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There can me more than 1 Main() functions in a C# program
Skill/Topic: IntermediateA) YesB) NoExplanation: While compiling we can specify which Main() function to start in
shyinsi
- Jan 19th, 2009
Yes , While Compiling we can specify which main to use by going to properties and setting the startup object.
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The 'finally' keyword is supported in C#?
Skill/Topic: IntermediateA) YesB) NoExplanation: Along with the try...catch...blocks
virgo794
- Jan 17th, 2009
Yes used with try catch block. This part of code shall be executed before the ending of execution of program.
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Inheritance
What is the importance of inheritance in c# and why i used?
tllprmahesh
- Jan 9th, 2009
Classes are inherit from another class. Basically we are using OOPS for reusability, so inhertiance means deriving new class from base class, it occupies less memory.
nikhilrawat23
- May 27th, 2008
basically the main advantage of object orineted approach is code reusabilty which help us to improve performance by using less memory for computation.inharitance provide us code reusabilty by accessin...
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In the following cases which is not function overloading
A) Same parameter types but different return valuesB) Varying number of parametersC) Different parameters types but different return valuesD) Different parameters type but same return values
Sreerenj
- Mar 18th, 2006
Answer is A) Same parameter types but different return values.Function overloading depends on the 1) parameter types 2) number of parameters 3) order of parameters
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Data Structures
Assume you have large set of data, say more than 100,000 elements. Each data element has a unique string associated with it. 1. What data structure has the optimal algorithmic access time to any element when the only thing you know about the element is the unique string associated with it? 2. What is the O() time for access to any element using this data structure? 3. What data structures would you...
Loki117
- Dec 28th, 2008
1) Hashtable 2) 0(n-1)3) An arraylist which contains keys to a hashtable which contains the data this covers all requirements.
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Garbage Collector Generations Algorithm
Explain the Generations Algorithm used in the context of Garbage Collector
Loki117
- Dec 28th, 2008
Garbage collection in .Net is an automated process. All objects are swept by the GC to check if they are still alive and are assigned a generation each sweep. The lower the generation the more frequen...
sutanu_halder
- Apr 18th, 2008
* The (original) copying collector (Enabled by default). When this collector kicks in, all application threads are stopped, and the copying collection proceeds using one thread (which means only o...
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