Overview

This chapter introduces constants and variables, data types, and operators.

Chapter Outline

• Constants and Variables
• Identifier Names
• Data Types
  • Integer Data Type
  • Floating-Point Data Type
  • String Data Type
  • Boolean Data Type
  • Nothing Data Type
• Order of Operations
• Assignment
• Arithmetic Operators
• Integer Division and Modulus
• Unary Operations
• Lvalue and Rvalue
• Data Type Conversions
• Input-Process-Output Model
• Code Examples
  • C++
  • C#
  • Java
  • JavaScript
  • Python
  • Swift
• Practice: Data and Operators

Learning Objectives

1. Understand key terms and definitions.
2. Understand basic data types and how operators manipulate data.
3. Given example pseudocode, flowcharts, and source code, create a program that uses appropriate data types and operators to solve a given problem.