php mcq questions with answers


                                
If two StringBuilder objects contain the same string then
A. they represent the same memory location
B. the are two different objects
C. if one changes, so will the other
D. None of the above
                                
The proper way to convert a string to all lowercase is________.
A. String = string.ToLower(string);
B. ToLower(string);
C. string.ToLower();
D. string.ToLower(string);