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What does Main method returns in C#
A) StringB) IntegerC) FloatExplanation: Main returns either Nothing or int
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If you need your own implementation of Equals method of object what needs to be done
A) Overload Equals methodB) Override Equals methodC) Implements Equals method
learnasp
- Oct 12th, 2007
You also need to override the GetHashCode method if you override the equals method.Override the GetHashCode method to allow a type to work correctly in a hash table.Do not throw an exception in the im...
naveentej
- Jan 8th, 2006
Ans: BIn the System.Object class, equals() is defined as public virtual bool Equals(object obj);
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How to get the capacity of an array in C#
A) Count PropertyB) Length PropertyC) Ubound method
abhi.uno
- Mar 17th, 2010
".Length" for total no elements in all dimensions.".getlength(int x)" gets total elements in dimension x(int)
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What happens when a C# project has more than 1 Main methods
A) Compiler throws warning messageB) Compiler throws Error messageC) Compiler successfully compiles
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How are the attributes specified in C#
A) Enclosed with in [ ]B) Enclosed with in ( )C) Enclosed with in { }
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What is the output of Vectors.RemoveAt(1)
A) Removes the object whose key is 1B) Removes the object whose value is 1C) Removes the object at position 1
Kal_CSharp
- Jan 16th, 2008
Correct Answer: CRemoves the object at postion 1. Vectors.RemoveAt(int index); Default index value is 0. If the default value is not changed for it, it removes the second element from the collection.
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What is the C# equivalent of System.Single
A) Float (16-bit)B) Float (32-bit)C) Float(64-bit)
nisha.Chopra
- Mar 30th, 2008
Ans : BSingle is a 32-bit single precision floating-point type that represents values ranging from approximately 1.5E-45 to 3.4E+38 and from approximately -1.5E-45 to -3.4E+38 with a precision of 7 decimal digits
naveentej
- Jan 7th, 2006
Ans: Float 32 bite.g. float i = 6.8F; // or 6.8fBy default, a real numeric literal on the right-hand side of the assignment operator is treated as double. Therefore, to initialize a float variable use...
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How do i read the information from web.config file?
Ashishtandon.e
- May 29th, 2006
We can also call configuration manager in vs 2005 system.configuration.configurationmanager()
Dilip Choudhary
- Mar 10th, 2006
string ConStrFromWeb=System.Configuration.ConfigurationSettings.AppSettings["ConStringKey"];// Here ConStringKey is the key name of connection string in web.config
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Can we use Friend Classes or functions in C# the way we use it in C++
Guest
- Jan 6th, 2007
In VB.Net, Friend keyword is an equivalent to internal of C#
Ashishtandon.e
- Jun 30th, 2006
No we can not use friend keyword but instead c# provide "internal" keyword for friend
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Which keyword is used of specify a class that cannot inherit by other class
Sanjida123
- Jun 4th, 2010
Sealed is the keyword that says the specific class cannot be inherited by another class.
nagarjuna
- Jul 5th, 2006
By using "sealed" keyword we can restrict a class from inheritence. Please reply me if it is wrong!
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A=(5>6)8:10Consol.Writeline(a);please tell me the output of this statementit is conditional statement .the result is error or give 8 as a result?
radhikayepuri
- Jun 16th, 2008
The Syntax of the question has gone wrong.It should be A=(5>6)?8:10Then the answer would be 10.
Dhanapal
- Sep 11th, 2007
This Answer is 10;Correct Syntax is: A=(5>6)?8:10.
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MFC GUI without flickering
User is continuously entering some in GUI and it is doing some background processing and updating in GUI. How to do it without flickering the GUI using MFC?Thanks,Raja Gregory
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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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What is the syntax for calling an overloaded constructor within a constructor (this() and constructorname() does not compile)?
The syntax for calling another constructor is as follows: class B{B(int i){ }}class C : B{C() : base(5) // call base constructor B(5){ }C(int i) : this() // call C(){ }public static void Main() {}}
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Is there an equivalent to the instanceof operator in Visual J++?
C# has the is operator: expr is type
Elean0r
- May 24th, 2011
The C# "is" operator can be used to test whether an object reference ( run-time type) is compatible with a defined type? ( compile type). ?The operator returns a Boolean result and is hence most often used within an if statement.
sasi4u
- Sep 29th, 2008
EX:==============using System; class ClassA {} public class TestIs{ public static void Test (object o) { ClassA a = null; &n...
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Is there a way of specifying which block or loop to break out of when working with nested loops?
The easiest way is to use goto: using System;class BreakExample {public static void Main(String[] args) {for(int i=0; i<3; i++) {Console.WriteLine("Pass {0}: ", i);for( int j=0 ; j<100 ; j++ ) {if ( j == 10) goto done;Console.WriteLine("{0} ", j);}Console.WriteLine("This will not print");}done:Console.WriteLine("Loops complete.");}}
jmruizsr
- Sep 18th, 2007
Yes, there are ways to break out of nested loops. Although GOTO is allowed in C#, it is normally a bad idea, bad style, and indication of lack of good software development foundation of those wh...
venkatesh
- Oct 13th, 2006
In java there is no goto operator.I think we should use label statement for that
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