C# Programming · all questions

Arrays and Strings in C Sharp
practice.

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134

Questions

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Q121

What is the String in C# meant for?

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Q122

Which of these operators can be used to concatenate two or more String objects?

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Q123

Which of these is used as a default specifier for a member of the class if no access specifier is used for it?

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Q124

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

static void Main(string[] args)
{
    string s1 = " Cshr ";
    string s2 = s1.Insert(3 , " a ");
    string s3 = s2.Insert(5 , " p ");
    for (int i = 0;i < s3.Length; i++)
    Console.WriteLine(s3[i]);
    Console.ReadLine();
}

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Q125

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

static void Main(string[] args)
{
    string s1 = "Hello I Love Csharp ";
    Console.WriteLine(Convert.ToChar( (s1.IndexOf('I') - s1.IndexOf('l')) * s1.IndexOf('p'));
    Console.ReadLine();
}

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Q126

The method in which large or variable number of arguments are handled is known as . . . . . . . .

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Q127

Which among the following is the correct way to find out the index of second 's' in the string "She sold her beauty in one night to someone else"?

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Q128

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

static void Main(string[] args)
{
    string s1 = "Hello";
    string s2 = "hello";
    if (s1 == s2)
    Console.WriteLine("Equal");
    else
    Console.WriteLine("Unequal");
    if (s1.Equals (s2))
    Console.WriteLine("Equal");
    else
    Console.WriteLine("Unequal");
    Console.ReadLine();
}

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Q129

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

static void main(String args[])
{
    char chars[] = {'x', 'y', 'z'};
    String s = new String(chars);
    Console.WriteLine(s);
}

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Q130

Choose the statements which are false in nature?

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Q131

Which of these access specifiers must be used for main() method?

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Q132

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

class sum   
{
    public int x;
    public int y;
    public  int add (int a,  int b)
    {
        x = a + b;
        y = x + b;
        return 0;
    }
}    
class Program
{
    static void Main(string[] args)
    {
        sum obj1 = new sum();
        sum obj2 = new sum();   
        int a = 2;
        obj1.add(a,  a + 1);
        obj2.add(5,  a);
        Console.WriteLine(obj1.x + "  " + obj2.y);     
        Console.ReadLine();
    }
}

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Q133

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

static void Main(string[] args)
{
    String c = "  Hello Computer ";
    String a = c.Trim();
    Console.WriteLine("\"" + s + "\"");
}

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Q134

Which of these methods of the class String is used to obtain length of String object?

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