Final exams pt 3

Question 1

Describe the function of an if statement

Answer 1

An if statement is used to execute code when a condition or conditions are true. This creates branches in the code where different sections are executed under different conditions.

Question 2

Write an if statement that will:
print a message when a value is more than 6

Answer 2

if (value > 6)

Question 3

Write an if statement that will:
Add 2 to a variable when a value equals 800

Answer 3

if (value == 800)
var += 2;

Question 4

Write an if statement that will:
Multiply a value by -1 when a value equals 0 or 500

Answer 4

if (value == 0 || value == 500)
var = var * -1;

Question 5

Write an if statement that will:
Print a message when one value is ‘y’ and another is less than 25

Answer 5

if (first == ’y’ && second < 25)
println (“The message”);

Question 6

Write an if statement that will:
Display a different message if a value is over 400, between 300 and 400, between 100 and 300, or less than 100

Answer 6

if (value > 400)
println (“Message 1”);
else if (value < 400 && value >= 300)
println (“Message 2”);
else if (value < 300 && value >= 100)
println (“Message 3”);
else
println (“Message 4”);