MODULE 4 REVIEW TOPICS

MODULE 4 TOPICS REVIEW

Operators and Operands
•	Which of the two (Operands or Operators) are the items being acted on?
•	List a few examples of Operators:



•	What are the two types of Operators (Hint: It involves how many operands they act on at once):


•	In the following expressions, which operation will occur first? (See Bottom Image for reference, only look for the operators you need to avoid confusion).
o	1 + 3 / 2
o	4 * 22 / 4 + 7
o	true && false || false
o	(1 / 5) * (4 + 2)

•	What is the difference between a Prefix and Postfix Unary Operator?





Expressions (Division and Modulo)
•	What is the result of this expression if the numbers are integers?
o	1 / 2 =

•	What is the result of this expression if the numbers are doubles or floats?
o	1.0 / 2.0 =

•	What is the result of this expression if the numbers are integers?
o	20 % 2 =

•	What happens in this expression if the numbers aren’t integers?
o	20 % 2

Type Conversions
•	What is the difference between implicit and explicit casting?


Review Question
•	Write a scan statement that will take two integers as input, and put them into variables intNum1 and intNum2.