C# Strings Aptitude Questions and Answers | Set 1

1. In C#.NET, we used the character array to represent a string just like C language.
2. In C#.NET, String is mutable.
3. A String is a predefined class in C#, which is used to create strings.
4. We need to use the System.Array class to create a string.

Options:

1. Only A
2. Only D
3. A and D
4. Only C

1. Yes
2. No

1. STR1 is STR2
2. STR1 = STR2
3. STR1 equal to STR2
4. STR1.Equals(STR2)

static void Main(string[] args)
{
	String s1 = "ABC";
	string s2 = "ABC";

	if(s1==s2)
		Console.WriteLine("S1 and S2 are equal");
	else
		Console.WriteLine("S1 and S2 are not equal");
}

1. S1 and S2 are equal
2. S1 and S2 are not equal
3. Syntax Error
4. Runtime Exception

static void Main(string[] args)
{
	String STR1 = "ABC";
	String STR2;
	String STR3;

	STR2 = STR1;
	STR3 = String.Copy(STR1);
	Console.WriteLine(STR1 + " " + STR2 + " "+STR3);
}

1. ABC ABC
2. ABC ABC ABC
3. Syntax Error
4. Runtime Exception