Statements about 'ref' keyword used in C#.NET are?
A. The ref keyword causes arguments to be passed by reference
B. While using 'ref' keyword any changes made to the parameter in the method will be reflected in the variable when control is passed back to the calling method
C. Ref usage eliminates overhead of copying large data items
D. All of the mentioned
Answer: Option D
This Question Belongs to C Sharp Programming >> Arrays And Strings In C Sharp
What is the correct way to declare a string array in C#?
A. string[] colors;
B. array
C. string colors[];
D. colors[] = string;
How do you access the first element of an array named 'numbers' in C#?
A. first(numbers);
B. numbers.first;
C. numbers(1);
D. numbers[0];
What is the correct way to initialize an array of integers with values {1, 2, 3} in C#?
A. int[] numbers = new int[] {1, 2, 3};
B. int numbers[] = {1, 2, 3};
C. int[] numbers = {1, 2, 3};
D. numbers[] = {1, 2, 3};
Which of the following statements is true regarding arrays in C#?
A. Arrays in C# can dynamically resize
B. The length of an array cannot be changed
C. Arrays in C# can only store primitive types
D. None of the above
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