Collingbourne H. The Little Book Of Delphi Programming: Learn To Program with Object Pascal

Dark Neon. 2020. — 194 p.Learn to Program Delphi and Object Pascal quickly and easily.Huw Collingbourne has programmed in Delphi for over 25 years. For over ten years he was the Delphi columnist for PC Plus Magazine in the UK. In this book, he explains how to design desktop applications and program in Delphi's Object Pascal language. All the source code is available for free download so you can get started with Delphi programming straight away.This book explains...Fundamentals of Delphi The Object Pascal language Object Orientation Variables, Types, Constants Operators and Tests for loops and while loops Procedures and Functions Parameters and Arguments Arrays and Lists String Operations Case Statements User-defined Types Constructors and Methods Creating and Freeing Objects Inheritance and Encapsulation Virtual and Overridden Methods File-handling Text files and Binary files Streaming and Serialization Errors and Exceptions... and much more.The Little Book Of Delphi takes you from the very basics of Object Pascal programming right through to complex topics such saving and loading networks of objects to and from disk’. All the source code is provided as a free download from the publisher's web site. The book explains everything you need to know to get started with productive Delphi development.Huw Collingbourne has been a programmer for more than 30 years. He is an online programming instructor who has taught tens of thousands of students to code in languages such as C, C#, Java, Object Pascal and Ruby. He had written programming columns for numerous computer magazines such as PC Plus and Computer Shopper. He is Technical Director of the independent development company, SapphireSteel Software. He is the author of several programming books including The Book Of Ruby, The Little Book Of Pointers and The Little Book of Recursion.The Little Book Of Delphi gives you just the stuff you really need to get straight to the heart of Object Pascal programming without all the fluff and padding.Making Sense of the Text.
What is Lazarus?
Getting Started.
Install Delphi.
Delphi Overview.
Your First Program.
Create a New Project.
Save the Project.
Delphi Projects.
Design the Interface.
A First Delphi Program.
What is Object Pascal?
Fundamentals of Pascal.
Assignment.
Using Variables.
Declaring Variables.
Variables and Data Types.
Code Fragment 1.
Code Fragment 2.
‘if’ Statements.
Operators and Tests.
‘if…else’ Statements.
Constants.
Elements of a Pascal Program.
Keywords.
Types.
Variables.
Constants.
Operators.
Comments.
Procedures and Functions.
Procedures.
Procedure Calls.
Functions.
Procedure and Function Syntax Summary.
Function Return Values.
Passing Arguments.
Parameter Syntax.
Var Parameters.
Value and Variable Parameters.
Sample Program: Calculating Interest.
A Programming Exercise.
Types and Operators.
Types.
Number Types.
Strings and Numbers.
Parameters and Type Checking.
Global and Local Variables.
Booleans.
Mathematical Operators.
Scope.
Local Variables.
Variables on the Holodeck.
Same Name, Different Scope?
Loops, Arrays and Strings.
‘for’ Loops.
ASCII Codes and Characters.
UTF-8 Conversion.
char/integer Conversion.
Non-visible Characters.
‘case’ Statements.
‘while’ and ‘repeat’ Loops.
‘for’ Loop.
‘repeat’ Loop.
‘while’ Loop.
Loops: Syntax Summary.
Arrays.
Array Ranges.
The Array Start Index.
Arrays in Delphi.
Formatting Strings.
Typed Constants.
True Constants.
Local Constants.
Why Use Constants?
User Defined Types and File IO.
Custom Data Types.
Enumerated Types.
Ranges.
Enumerated Type Identifiers.
Order of Identifiers.
Type Checking.
Records.
Error Handling.
IO – Input/Output.
File Handling.
Saving Fixed Length Strings.
Random Access Files.
File IO Summary.
Text Files.
‘Built-in’ File Access Routines.
Changing Characters in a Text File.
File IO Routines.
Object Orientation.
Classes and Objects.
Methods.
Why Object Orientation?
Inheritance.
Encapsulation.
Reusability.
Define Classes, Create Objects.
Constructors.
Freeing Objects.
Saving Objects.
Class Hierarchies.
Inheritance.
Encapsulation.
Polymorphism.
Create Constructors.
Destructors.
Methods with the same Names.
Casting Types.
Testing Object Types.
Virtual Methods.
Overriding Methods.
Properties.
Visibility Specifiers.
Reading and Writing Properties.
Read-only Properties.
Write-only Properties.
Method Properties.
How to add a Method Property.
Errors, Exceptions and Bugs.
Exceptions.
Multiple Exception Types.
Debugging.
The Adventure Continues.
Using or ‘Importing’ Units.
Extend the Game.
Saving Objects.
Streams.
Loading Data.
Game Play Methods.
Moving Around the Map.
Play the Game.
What Next?Free Pascal and Lazarus.
Anatomy of a Delphi Unit.
The Variant Type.
Constants.
True Constants.
Typed Constants.
Naming Conventions.
More Sources of Information.
The Delphi Language Reference.
Delphi Basics.
Lazarus and Free Pascal Wiki.
Object Pascal Video Course.
Online Adventure Games.
Bitwise Books and Courses.
Just One More Thing…
Little Books Of …