If s1 and s2 are references to two strings then which of the following are the c

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Question
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?
1. ```
if(s1 = s2)
```
2. ```
if(s1 == s2)
```
3. ```
int c;
c = s1.CompareTo(s2);
```
4. ```
if( strcmp(s1, s2) )
```
5. ```
if (s1 is s2)
```
Options
A. 1, 2
B. 2, 3
C. 4, 5
D. 3, 5

Correct Answer

2, 3

More questions

5. It possible to create a custom attribute that can be applied only to specific programming element(s) like ____ .
Options
A. Classes
B. Methods
C. Classes and Methods
D. Classes, Methods and Member-Variables

7. What does the following C#.NET code snippet will print?

int i = 0, j = 0; 

label:
    i++;
    j+=i;
if (i < 10)
{
    Console.Write(i +" ");
    goto label; 
}

10. Which of the following are the correct ways to declare a delegate for calling the function func() defined in the sample class given below?
```
class Sample
{
    public int func(int i, Single j)
    {
        /* Add code here. */
    }
}
```
Options
A. delegate d(int i, Single j);
B. delegate void d(int, Single);
C. delegate int d(int i, Single j);
D. delegate void (int i, Single j);
E. delegate int sample.func(int i, Single j);

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