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► KB ► To/From Guides ► Delphi ► OOP Basics

Code Blocks (Cross Ref > OOP Basics)

By Mike Prestwood

Delphi versus ObjectPAL: A side by side comparison between Delphi and ObjectPAL.

Language Basics

Language basics is kind of a catch all for absolute beginner stuff. The items (common names) I chose for language basics is a bit random and include items like case sensitivity, commenting, declaring variables, etc.

Code Blocks

[Other Languages]

Languages Focus

The rules for code blocks within a language dictate where you can declare variables, how you "bracket" code, etc.

Delphi: begin..end

Object Pascal requires the semi-colon after the "declaration" part.

Syntax Example:

function DoSomething : integer;

var

  a, b : integer

begin

  a := 1;

  b := 2;

  result := a + b;

end;

ObjectPAL: endXxxx

ObjectPAL code blocks are surrounded by statement ending keywords that all use End with camel caps such as endMethod, endVar, endIf, endSwitch, and endTry.

Syntax Example:

method

endMethod

var

endVar

if

endIf

switch

endSwitch

try

endTry