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Questions and Answers
What is the key difference between const and readonly variables in C#?
What is the key difference between const and readonly variables in C#?
- Const variables can only be initialized at declaration, whereas readonly variables can be modified by any method in the class.
- Readonly variables do not incur any memory overhead, unlike const variables.
- Const variables can have their values modified by the constructor, unlike readonly variables.
- Const variables can be initialized either at declaration or in the constructor, while readonly variables are replaced with their actual values at compile time. (correct)
What does casting refer to in C#?
What does casting refer to in C#?
- Implicit conversion of smaller data types to larger data types.
- Conversion of integer data type to float data type.
- Conversion of string data type to integer data type.
- Explicit conversion of a value from one data type to another. (correct)
How does method overloading contribute to code flexibility?
How does method overloading contribute to code flexibility?
- It enforces that all overloaded methods must have the same return type.
- It restricts the number of methods that can have the same name in a class.
- It allows defining multiple methods with the same name and same parameter lists.
- It permits defining multiple methods with the same name but different parameter lists. (correct)
What do jagged arrays consist of in C#?
What do jagged arrays consist of in C#?
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What does the params keyword allow in C#?
What does the params keyword allow in C#?
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Why is understanding argument promotion and casting crucial in C# programming?
Why is understanding argument promotion and casting crucial in C# programming?
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What is short-circuit evaluation in C#?
What is short-circuit evaluation in C#?
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In logical AND operations (&&) in C#, when does short-circuit evaluation occur?
In logical AND operations (&&) in C#, when does short-circuit evaluation occur?
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What is the purpose of the static keyword in C#?
What is the purpose of the static keyword in C#?
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How are static members accessed in C#?
How are static members accessed in C#?
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What kind of values can const variables hold in C#?
What kind of values can const variables hold in C#?
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Why are static classes used in C#?
Why are static classes used in C#?
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