adplus-dvertising
frame-decoration

Question

Which statement is/are correct?

a.

An argument passed to a ref parameter need not to be initialized first

b.

Variables passed as out arguments need to be initialized prior to being passed

c.

To use a ref parameter, only the calling method must explicitly use the ref keyword

d.

None of the mentioned

Posted under C# programming

Answer: (d).None of the mentioned

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. Which statement is/are correct?

Similar Questions

Discover Related MCQs

Q. The method in which large or variable number of arguments are handled is known as:

Q. The modifiers used to define an array of parameters or list of arguments:

Q. Select the correct declaration of the defining array of parameters:

Q. What are strings in C#?

Q. Select the namespace in which string class is built?

Q. Select the interfaces defined by the string class?

Q. Choose the constructor type used to build strings from character array:

Q. Select the operators used for checking the equality in strings:

Q. What does the given code set specifies?

public static int Compare(string strA, string strB)

Q. Which string operation does the below mentioned method define?

public static string Concat(string str0, string str1)

Q. Method used to remove white space from string?

Q. Which of these constructors is used to create an empty String object?

Q. Which of these method of class String is used to obtain length of String object?

Q. What is the value returned by the function CompareTo() if the invoking string is less than the string compared?

Q. Which of these methods of class String is used to check whether a given string starts with a particular substring or not?

Q. Which of these methods of class String is used to extract a substring from a String object?

Q. Which of these methods of class String is used to remove leading and trailing whitespaces?