Q. Which of the following statements are correct?

1. The signature of an indexer consists of the number and types of its formal parameters.
2. Indexers are similar to properties except that their accessors take parameters.
3. Accessors of interface indexers use modifiers.
4. The type of an indexer and the type of its parameters must be at least as accessible as the indexer itself.
5. An interface accessor contains a body.

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Q. Which of the following is the correct way to implement a write only property Length in a Sample class?

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Q. If a Student class has an indexed property which is used to store or retrieve values to/from an array of 5 integers, then which of the following are the correct ways to use this indexed property?

1.
Student[3] = 34;

2.
Student s = new Student();
s[3] = 34;

3.
Student s = new Student();
Console.WriteLine(s[3]);

4.
Console.WriteLine(Student[3]);

5.
Student.this s = new Student.this();
s[3] = 34;

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Q. If Sample class has a Length property with set accessor then which of the following statements will work correctly?

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Q. If Sample class has a Length property with get accessor then which of the following statements will work correctly?

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Q. Suppose a Student class has an indexed property. This property is used to set or retrieve values to/from an array of 5 integers called scores[]. We want the property to report "Invalid Index" message if the user attempts to exceed the bounds of the array. Which of the following is the correct way to implement this property?

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Q. Which of the following statements is correct about properties used in C#.NET?

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Q. Which of the following is the correct way to implement a read only property Length in a Sample class?

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Q. An Employee class has a property called age and emp is reference to a Employee object and we want the statement Console.WriteLine(emp.age) to fail. Which of the following options will ensure this functionality?

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Q. Which of the following is NOT a .NET Exception class?

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Q. Which of the following statements is correct about an Exception?

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Q. In C#.NET if we do not catch the exception thrown at runtime then which of the following will catch it?

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Q. Which of the following is the Object Oriented way of handling run-time errors?

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Q. Exceptions can be thrown even from a constructor, whereas error codes cannot be returned from a constructor.

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Q. All code inside finally block is guaranteed to execute irrespective of whether an exception occurs in the protected block or not.

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Q. Which of the following is NOT an Exception?

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Q. It is compulsory for all classes whose objects can be thrown with throw statement to be derived from System.Exception class.

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Q. Which of the following statements is true about an enum used in C#.NET?

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Q. An enum that is declared inside a class, struct, namespace or interface is treated as public.

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Q. An enum can be declared inside a class, struct, namespace or interface.

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