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Question: What is VB.NET?
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Answer: VB.NET is a programming language developed by Microsoft. It is an object-oriented programming language that
is an evolution of the classic Visual Basic, aimed at the .NET framework.
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Question: What are the key features of VB.NET?
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Answer: Key features of VB.NET include:
• Full object-oriented language support
• Automatic garbage collection
• Support for structured exception handling
• Integration with the .NET framework
• Enhanced security features
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Question: What is the difference between ByVal and ByRef in VB.NET?
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Answer: The ByVal passes arguments to a function or subroutine by value, meaning the value of the argument
is copied into the parameter.
ByRef, on the other hand, passes arguments by reference, meaning the memory address of the argument is passed,
allowing changes to the parameter to reflect back to the calling code.
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Question: What is the difference between a function and a subroutine in VB.NET?
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Answer: A function returns a value after execution, while a subroutine does not return any value.
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Question: What is inheritance in VB.NET?
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Answer: In VB.NET inheritance is a mechanism in which a new class is created using properties and behaviors of an
existing class. The new class, known as the derived class, inherits the properties and behaviors of the base class.
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Question: What are namespaces in VB.NET?
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Answer: In VB.NET, Namespaces are used to organize code into logical groups.
They help in avoiding naming conflicts and make the code more manageable.
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Question: Can you explain the difference between early binding and late binding in VB.NET?
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Answer: The early binding refers to resolving method calls at compile time, while late binding
refers to resolving method calls at runtime.
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Question: How can one handle errors in VB.NET?
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Answer: In VB.NET, Errors can be handled using structured exception handling with Try-Catch-Finally blocks.
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Question: What is the difference between a class and a module in VB.NET?
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Answer: A class is a blueprint for creating objects, while a module is a collection of related
functions and variables that can be accessed without creating an instance of the module.
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