Arrays and Strings in C Sharp MCQ question and answer with solution | C# Program MCQs

static void Main(string[] args)
{
    StringBuilder s = new StringBuilder("object");
    s./*______*/("Oriented Language");
    Console.WriteLine(s);
    Console.ReadLine();
}
Output : objectOriented Language

static void Main(string[] args)
{
    int[] x = {65, 66, 67, 68, 69, 70};
    fun(x);
    Console.ReadLine();
}
static void fun(params int[] b )
{
    int i;
    for (i = 5; i > 0 ; i--)
    {
        b[i] = b[i] + 32;
        Console.WriteLine(Convert.ToChar(b[i]));
    }
}

static void Main(string[] args)
{
     String a = "Ilove";
     String b = "CSHARP";
     b = string.Concat(a,' ',b);
     string d = b.TrimStart('I', 'l', 'o', 'H');
     Console.WriteLine(d);
     Console.ReadLine();
}

static void Main(string[] args)
{
    double a = 345.09;
    byte c = (byte) a;
    Console.WriteLine(c);
    Console.ReadLine();
}

class sum   
{
    public int x;
    private int y;
    public void math(int a, int b)
    {
        x = a * 4;
        y = b;
    }
}    
class Program
{
    static void Main(string[] args)
    {
        sum p = new sum();   
        p.math(12, 30);
        Console.WriteLine(p.x + "  " + p.y);
        Console.ReadLine();
    }
}

static void Main(string[] args)
{
    String obj = "hello";
    String obj1 = "worn";   
    String obj2 = obj;
    Console.WriteLine(obj + "  " + (obj1.Replace('w' ,'c')));
    Console.ReadLine();
}