A HashTable t maintains a collection of names of states and capital city of each state. Which among the following finds out whether "New delhi" state is present in the collection or not?
A. t.HasValue("New delhi");
B. t.ContainsKey("New delhi");
C. t.HasKey("New delhi");
D. t.ContainsValue("New delhi");
Answer: Option B
This Question Belongs to C Sharp Programming >> Miscellaneous In C Sharp
What is the purpose of the "using" keyword in C#?
A. To define namespaces
B. To declare variables
C. To import external libraries
D. To create instances of classes
What does the "break" keyword do in a switch statement?
A. Exits the switch statement
B. Skips the current iteration
C. Continues to the next iteration
D. Throws an exception
Which of the following is NOT a valid C# access modifier?
A. public
B. internal
C. protected
D. private
What is the purpose of the "readonly" keyword in C#?
A. To declare a constant
B. To prevent a variable from changing
C. To allow a variable to be changed
D. To declare a static variable
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