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PASCAL / Decision In Pascal

Decision In Pascal

Etiketler: decision, pascal

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Puan ver:

hazirkod 24 June 19:34 0

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5137

var iNumber : Integer;
begin
//some value must be 
//assigned to iNumber here!
if iNumber = 0 then
  ShowMessage('Zero value encountered!');
end;

var iNumber : Integer;
begin
//some value must be 
//assigned to iNumber here!
if iNumber = 0 then
begin
  ShowMessage('Zero value encountered!');
  Exit; // exit from the current procedure
end;
//if iNumber is 0 the folowing 
//code will never be executed
ShowMessage('Nobody likes 0, ha!');
end;

var iNumber : Integer;
begin
//some value must be 
//assigned to iNumber here!
if iNumber < 0 then
 begin
  //statements ...
  ShowMessage('Your number is negative!');
  //statements ...
 end
else
 begin
  //statements ...
  ShowMessage('Your number is positive or zero!');
  //statements ...
 end;
end;

var iNumber : Integer;
begin
if iNumber = 0 then
  begin
    ShowMessage('Zero number not allowed!');
    exit;
  end
else
//no need to use begin-end here
  if iNumber < 0 then
    ShowMessage('Your number is negative!')
  else
    ShowMessage('Your number is positive!');
end;

var iNumber : Integer;
begin
//some value must be 
//assigned to iNumber here!
begin
case iNumber of
 0:
ShowMessage('Zero value');
 1..10 :
ShowMessage('Less than 11, greater than 0');
 -1, -2, -3 :
ShowMessage('Number is -1 or -2 or -3');
 else
ShowMessage('I do not care');
end;
end;