C# Programming

string[] animal = new string[]{"lion", "tiger","zebra","elephant"};

What is the value of animal[2];

• lion

• tiger

• zebra

• elephant

What is happening here:

double number1 = double.Parse(textBox1.Text);

• A text box is being created.

• The value of the textbox is being converted to a double.

• The textbox is being set to the value of the variable.

• An integer is being parsed.

The following is and example of a(n):

private void button1_Click(object sender, EventArgs e)

{

// Do something here.

}

• Function

• Event Handler

• Method

• Button

What statement is true about the following class?

class ScientificCalculator : Calculator

{

public double expo(double num1, double num2)

{

double total = num1;

for(int i = 1;i < num2;i++)

{total = total * num1;}

return total;

}

}

• It contains an array variable.

• It contains an addition method.

• Its name is Calculator.

• It inherits from a Calculator class.

The following statement does what?

label1.Text = total.ToString();

• Sets the value of a String.

• Sets the value of a word.

• Sets the text value of a label.

• Creates a new label.

The following code generates what:

int i = 7;

if ( i <= 7)

{MessageBox.Show("Hi");}

else

{MessageBox.Show("Bye");}

• A message box that says "Bye".

• A console output "Hi".

• A message box that says "Hi"

• A console output that says "Bye"