Question

20. If you do not initialize a string variable, it begins with a special value known as -----------------.

Group of answer choices

NA

blank

null

string

21. Which one of the following statements assigns the value contained in the Text property of a TextBox control named ageTextBox to the Text Property of a Label control named ageLabel?

Group of answer choices

b. ageTextBox.Text = ageLabel.Text;

d. ageTextBox = ageLabel;

c. ageLabel.Text = ageTextBox.Text;

a. ageLabel = ageTextBox;

22. Assuming a string variable named city has already been declared, which one of the following statements assigns the string value "Vienna" to the variable?

Group of answer choices

a. "Vienna" = city;

b. city + "Vienna";

c. city("Vienna");

d. city = "Vienna";

23. Assuming a string variable named movieTitle has already been declared, which one of the following statements combines the strings "The " and "Hobbit" and then assigns the resulting string to the variable?

Group of answer choices

c. movieTitle = "The " & "Hobbit";

a. movieTitle("The ", "Hobbit");

d. movieTitle = "The " + "Hobbit";

b. "The " + "Hobbit" = moveTitle;

Answer 1

ANSWER 20

answer is null

ANSWER 21

The correct answer is

c. ageLabel.Text = ageTextBox.Text;

ANSWER 22

The correct answer is

d. city = "Vienna";

ANSWER 23

The correct answer is

d. movieTitle = "The " + "Hobbit";

Dear student we are directed to solve one question in case more than one questions are asked by the students you have asked 2 different questions which is wrong .we are directed to solve only the sub part of the question subject to maximum of 4 which is not the case and directed not to solve the multiple question.

Anyway, i have solved all of your questions.

don't forget to give rating.