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Open Source Technologies Sarabjit Kumar, Lovely Professional University

Notes Unit 7: Functions

CONTENTS

Objectives
Introduction
7.1 User-Defined Functions

7.2 Function Scope
7.3 Returning Values By Value

7.4 Returning Values By Reference
7.5 Declaring Function Parameters
7.5.1 By-Value Parameters
7.5.2 By-Reference Parameters

7.6 Default Parameters
7.7 Static Variables

7.8 Arrays
7.8.1 Array ( ) Construct
7.8.2 Accessing Array Elements

7.8.3 Modifying/Creating Array Elements
7.8.4 Reading Array Values
7.8.5 Accessing Nested Arrays (or Multi-Dimensional Arrays)

7.8.6 Traversing Arrays Using Foreach
7.8.7 Traversing Arrays Using List( ) and Each( )
7.8.8 Reset( )

7.8.9 Each( )
7.8.10 List( )
7.8.11 Additional Methods for Traversing Arrays

7.9 Objects
7.9.1 Creating an Object
7.9.2 Object Inheritance

7.10 Summary
7.11 Keywords

7.12 Self Assessment Questions
7.13 Review Questions
7.14 Further Reading

104 LOVELY PROFESSIONAL UNIVERSITY