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Reverse a Number in Delphi

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Submitted on: 10/8/2016 12:33:51 PM
By: Jake R. Pomperada  
Level: Beginner
User Rating: By 1 Users
Compatibility: Delphi 7, Delphi 6, Delphi 5, Delphi 4, Pre Delphi 4
Views: 1283
author picture
 
     I wrote a simple program in Delphi that will ask the user to give a series of number and then our program will reverse the arrangement of the given number by the user. Add me at Facebook my addressis jakerpomperada@gmail.com and jakerpomperada@yahoo.com. My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com. My mobile number here in the Philippines is 09173084360.

 
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!**************************************
! Name: Reverse a Number in Delphi
! Description:I wrote a simple program in Delphi that will ask the user to give a series of number and then our program will reverse the arrangement of the given number by the user.
Add me at Facebook my addressis jakerpomperada@gmail.com and jakerpomperada@yahoo.com. 
My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com. 
My mobile number here in the Philippines is 09173084360.
! By: Jake R. Pomperada
!**************************************

unit reverse;
interface
uses
 Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
 StdCtrls;
type
 TForm1 = class(TForm)
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Label4: TLabel;
Edit1: TEdit;
Label5: TLabel;
Button1: TButton;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
 private
{ Private declarations }
 public
{ Public declarations }
 end;
var
 Form1: TForm1;
implementation
{$R *.DFM}
Var value : String;
function ReverseString(const s: string): string; 
var 
 i, len: Integer; 
begin
 len := Length(s);
 SetLength(Result, len); 
 for i := len downto 1 do 
 begin 
Result[len - i + 1] := s[i]; 
 end; 
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
 value:=Edit1.text;
 label5.caption := 'The reversed equivalent is '
+ ReverseString(value) + '.';
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
edit1.text :='';
label5.caption := '';
edit1.setfocus;
end;
end.


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