Arrays and Strings in C Sharp
practice.

Select the correct match of parameter declaration.

static Void main(string[] args)
{
    int a = 5;
    int b = 6;
    float c = 7.2f;
    math (ref a, ref b, ref c);
    Console.WriteLine(a + "  " + b + "  " + c);
}
static int math(/*add parameter declaration */)
{
    a += b;
    b *= (int)c;
    c += a * b;
    return 0;
}

What will be the output of the following C# code?

static void Main(string[] args)
{
    int[] x = { 80, 82, 65, 72, 83, 67 };
    fun(x);
    Console.ReadLine();
}
static void fun(params int [] b )
{
    int i;
    for (i = 5; i >=0 ; i--)
    {
        Console.WriteLine(Convert.ToChar(b[i]));
    }
}

What will be the output of the following C# code snippet?

static void Main(string[] args)
{
    string c = "hello";
    string  c1 = c.Remove(1);
    Console.WriteLine(c1);
    Console.ReadLine();
}

Which method does following C# code explains?

static void Main(string[] args)
{
    int a = 10, b = 20;
    method(ref a,  ref b);
    console.writeline(a + "  " + b);
}
static void swap(ref int i,  ref int j)
{  
    int t;
    t = i;
    i = j;
    j = t;
}

What will be the output of the following C# code?

 static void Main(string[] args)
 {
     int [] a = {1, 2, 3, 4, 5};
     fun(a);
     Console.ReadLine();
 }
 static void fun(params int[] b )
 {
     for (int i = 0; i < b.Length; i++)
     {
         b[i] = b[i] * 5 ;
         Console.WriteLine(b[i] + "");
     }
 }

Which of these data type values is returned by equals() method of String class?

Which statement is correct about following C# code?

int[, ]a={{5, 4, 3},{9, 2, 6}};

What will be the output of the following C# code?

class Program
{
    static void Main(string[] args)
    { 
        String s1 = "I love You";
        String s2 = s1;
        Console.WriteLine((s1 == s2) + " " + s1.Equals(s2));
        Console.ReadLine();
    }
}

Correct way to convert a string to uppercase using string class method()?

What will be the output of the following C# code?

static void Main(string[] args)
{
    string s = " i love you";
    Console.WriteLine(s.IndexOf('l') + "  " + s.lastIndexOf('o') + "  " + s.IndexOf('e'));
    Console.ReadLine();
}

The Method use to remove white space from a string?

Correct way to find if contents of two strings are equal?

Which of these methods can be used to convert all characters in a String into a character array?

What will be the output of the following C# code?

static void Main(string[] args)
{
    String c = "Hello";
    String a ;
    a = c.Replace('l', 'w');
    Console.WriteLine(a);
    Console.ReadLine();
}

What will be the output of the following C# code snippet?

static void Main(string[] args)
{
    String c = "Hello i love you";
    String a ;
    a = c.Substring(12, 3);
    Console.WriteLine(a);
    Console.ReadLine();
}

Which of the following statements are correct?

What will be the output of the following C# code?

static void Main(string[] args)
{
    String obj = "hello";
    String obj1 = "world";   
    String obj2 = obj;
    Console.WriteLine(obj + "  " + obj1);
    string s = obj + "  " + obj1;
    Console.WriteLine(s.Length);
    Console.ReadLine();
}

Which of these methods returns the string such that some characters which are specified to be removed from the end of strings are removed from string by mentioning the number of characters to be removed?

What will be the output of the following C# code?

static void Main(string[] args)
{
    String obj = "hello";
    String obj1 = "world";   
    String obj2 = obj;
    Console.WriteLine (obj.Equals(obj2) + "  " + obj2.CompareTo(obj) );
    Console.ReadLine();
}

To perform comparison operation on strings supported operations are . . . . . . . .