Which of the following will be the correct output for the C#.NET code snippet given below?

String s1 = "Five Star";
String s2 = "FIVE STAR";
int c;
c = s1.CompareTo(s2);
Console.WriteLine(c);

                                
A.0
B.1
C.2
D.-1
E.-2
                              
Click To Show Ans:D
                        

                                

If s1 and s2 are references to two strings then which of the following are the correct ways to find whether the contents of the two strings are equal?



if(s1 = s2)


if(s1 == s2)


int c;
c = s1.CompareTo(s2);


if( strcmp(s1, s2) )


if (s1 is s2)



                                
A.1, 2
B.2, 3
C.4, 5
D.3, 5
                              
Click To Show Ans:B
                        

                                

Which of the   following statements are correct about the String Class in C#.NET?


Two strings can be concatenated by using an expression of the form s3 = s1 + s2;

String is a primitive in C#.NET.

A string built using StringBuilder Class is Mutable.

A string built using String Class is Immutable.

Two strings can be concatenated by using an expression of the form s3 = s1&s2;



                                
A.1, 2, 5
B.2, 4
C.1, 3, 4
D.3, 5
                              
Click To Show Ans:C
                        

                                

Which of the following statements are correct?


String is a value type.

String literals can contain any character literal including escape sequences.

The equality operators are defined to compare the values of string objects as well as references.

Attempting to access a character that is outside the bounds of the string results in an IndexOutOfRangeException.

The contents of a string object can be changed after the object is created.



                                
A.1, 3
B.3, 5
C.2, 4
D.1, 2, 4
                              
Click To Show Ans:C
                        

                                
Which of the following is the correct way to find out the index of the second 's' in the string "She sells sea shells on the sea-shore"?
                                
A.String str = "She sells sea shells on the sea-shore"; 
int i;
i = str.SecondIndexOf("s");
B.String str = "She sells sea shells on the sea-shore"; 
int i, j;
i = str.FirstIndexOf("s"); 
j = str.IndexOf("s", i + 1);
C.String str = "She sells sea shells on the sea-shore"; 
int i, j;
i = str.IndexOf("s"); 
j = str.IndexOf("s", i + 1);
D.String str = "She sells sea shells on the sea-shore"; 
int i, j;
i = str.LastIndexOf("s"); 
j = str.IndexOf("s", i - 1);
E.String str = "She sells sea shells on the sea-shore"; 
int i, j;
i = str.IndexOf("S"); 
j = str.IndexOf("s", i);
                              
Click To Show Ans:C