Programming in C: A Practical Approach, First Edition

2

Operators and Expressions

Learning Objectives

In this chapter, you will learn about:

• Operands and operators

• Expressions

• Simple expressions and compound expressions

• How compound expressions are evaluated

• Precedence and associativity of operators

• How operators are classified

• Classification based on number of operands

• Unary, binary and ternary operators

• Classification based on role of operator

• Arithmetic, relational, logical, bitwise, assignment and miscellaneous operators

• Rules for evaluation of arithmetic expressions

• Implicit and explicit-type conversions

• Promotions and demotions

• Conditional, comma, sizeof and address-of operator

• Combined precedence of all operators

2.1 Introduction

In Chapter 1, you have learnt about identifiers (i.e. ...