If an application contains the 0ption Strict On statement, which of the followin

Question

If an application contains the 0ption Strict On statement, which of the following can be used to declare the Rate named constant? a. Const Rate As Decimal = 0.09 b. Const Rate As Decimal = Convert.ToDecimal (0.09) c. Const Rate As Decimal = 0.09D d. both b and c Which of the following statements adds the number 10.75 to the contents of the price variable? a. price += 10.75 b. price =+ 10.75 c. 10.75 += price d. both a and c Which of the following sends the focus to the test1TextBox? a. test1TextBox.Focus() b. test1TextBox.SendFocus() c. test1TextBox.SetFocus() d. SetFocus(test1TextBox)

Explanation / Answer

8.) The answer is c. Const Rate As Decimal = 0.09D.

a. This option tries to assign a floating-point value to a decimal variable. This can be done only by appending a 'D' at the end of the value.

b. This option tries to convert a double value to decimal which is a narrowing conversion and will throw a compile-time error if Option Strict is On.

d. It is not valid as b is not valid.

9.) The answer is a. price += 10.75.

b. Invalid operator (=+)

c. The operator (+=) adds right operand to the left operand and assigns the value to the left operand. This is not possible here, as left operand is not a variable.   

10.) The answer is c. The syntax to move focus to a specified control or object is: object.setFocus().

a. The method .Focus() does the same thing in .net.

Options b. and d. are not applicable.

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