Why do I get a syntax error when trying to declare a variable called checked?

C# Interview Questions and Answers

(Continued from previous question...)

64. Why do I get a syntax error when trying to declare a variable called checked?

The word checked is a keyword in C#.

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Other Interview Questions

• What's C#
• Is it possible to inline assembly or IL in C# code?
• Is it possible to have different access modifiers on the get/set methods of a property?
• Is it possible to have a static indexer in C#? allowed in C#.
• If I return out of a try/finally in C#, does the code in the finally-clause run?
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• How do I simulate optional parameters to COM calls?
• The C# keyword .int. maps to which .NET type?
• Which of these string definitions will prevent escaping on backslashes in C#?
• Which of these statements correctly declares a two-dimensional array in C#?
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• What is boxing?
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• What is a satellite Assembly?
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• How does assembly versioning in .NET prevent DLL Hell?
• Which .Gang of Four. design pattern is shown below?
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• Which of the following operations can you NOT perform on an ADO.NET DataSet?
• In Object Oriented Programming, how would you describe encapsulation?
• What do you know about .NET assemblies?
• What’s the difference between private and shared assembly?
• What’s a strong name?
• How can you tell the application to look for assemblies at the locations other than its own install?
• How can you debug failed assembly binds?
• Where are shared assemblies stored?
• How can you create a strong name for a .NET assembly?
• Where’s global assembly cache located on the system?
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• So let’s say I have an application that uses MyApp.dll assembly ...
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• Is there an equivalent of exit() for quitting a C# .NET application?
• Can you prevent your class from being inherited and becoming a base class for some other classes?
• If a base class has a bunch of overloaded constructors ...
• I was trying to use an "out int" parameter in one of my functions. How should I declare the variable that I am passing to it?
• How do I make a DLL in C#?
• How do I simulate optional parameters to COM calls?
• Will finally block get executed if the exception had not occurred?
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• Is there regular expression (regex) support available to C# developers?
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• Does C# support properties of array types?
• What connections does Microsoft SQL Server support?
• What is a satellite assembly?
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• Why would you use untrusted verificaion?
• What is the implicit name of the parameter that gets passed into the class set method?
• How do I register my code for use by classic COM clients?
• How do I do implement a trace and assert?
• How do I create a multilanguage, multifile assembly?
• C# provides a default constructor for me. I write a constructor that takes a string as a parameter ...
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• Explain ACID rule of thumb for transactions.
• Where is the output of TextWriterTraceListener redirected?
• How do I create a multilanguage, single-file assembly?
• Why cannot you specify the accessibility modifier for methods inside the interface?
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• Why do I get a syntax error when trying to declare a variable called checked?
• Why are there five tracing levels in System.Diagnostics.TraceSwitcher?
• What is the syntax for calling an overloaded constructor within a constructor (this() and constructorname() does not compile)?
• What does the keyword virtual mean in the method definition?
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• How do I declare inout arguments in C#?
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• From a versioning perspective, what are the drawbacks of extending an interface as opposed to extending a class?
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• What namespaces are necessary to create a localized application?
• Does Console.WriteLine() stop printing when it reaches a NULL character within a string?
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• What are advantages and disadvantages of Microsoft-provided data provider classes in ADO.NET?
• Why do I get a security exception when I try to run my C# app?
• Is there any sample C# code for simple threading?
• What is the difference between // comments, /* */ comments and /// comments?
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• How do you inherit from a class in C#?
• How do I port "synchronized" functions from Visual J++ to C#?
• Can I define a type that is an alias of another type (like typedef in C++)?
• Is it possible to have different access modifiers on the get/set methods of a property?
• Is it possible to have a static indexer in C#?
• Does C# support #define for defining global constants?
• Does C# support templates?
• Does C# support parameterized properties?
• Does C# support C type macros?
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• Is it possible to inline assembly or IL in C# code?
• Can you declare the override method static while the original method is non-static?
• Does C# support multiple inheritance?
• Can multiple catch blocks be executed?
• Can you override private virtual methods?
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• What is a multicast delegate?
• How does one compare strings in C#?
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• How do you directly call a native function exported from a DLL?
• What is the .NET datatype that allows the retrieval of data by a unique key?
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• What is a delegate?
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• What’s the .NET collection class that allows an element to be accessed using a unique key?
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• Can multiple catch blocks be executed for a single try statement?
• Explain the three services model commonly know as a three-tier application.
• What is the syntax to inherit from a class in C#?
• Can you prevent your class from being inherited by another class?
• Can you allow a class to be inherited, but prevent the method from being over-ridden?
• What’s an abstract class?
• When do you absolutely have to declare a class as abstract?
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• Why can’t you specify the accessibility modifier for methods inside the interface?
• What happens if you inherit multiple interfaces and they have conflicting method names?
• What’s the difference between an interface and abstract class?
• What is the difference between a Struct and a Class?
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• If a base class has a number of overloaded constructors, and an inheriting class has a number of overloaded constructors; can you enforce a call from an inherited constructor to a specific base constructor?
• What’s a delegate?
• What’s a multicast delegate?
• How do you generate documentation from the C# file commented properly with a command-line compiler?
• What debugging tools come with the .NET SDK?
• What does assert() method do?
• What’s the difference between the Debug class and Trace class?
• Why are there five tracing levels in System.Diagnostics.TraceSwitcher?
• Where is the output of TextWriterTraceListener redirected?
• How do you debug an ASP.NET Web application?
• What are three test cases you should go through in unit testing?
• Can you change the value of a variable while debugging a C# application?
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• What are advantages and disadvantages of Microsoft-provided data provider classes in ADO.NET?
• What is the wildcard character in SQL?
• Explain ACID rule of thumb for transactions.
• What connections does Microsoft SQL Server support?
• Between Windows Authentication and SQL Server Authentication, which one is trusted and which one is untrusted?
• What does the Initial Catalog parameter define in the connection string?
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• What is a pre-requisite for connection pooling?
• How is the DLL Hell problem solved in .NET?
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• What is the smallest unit of execution in .NET?
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• Which controls do not have events?
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