Difference between revisions of "Pascal for Java users/de"
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== Translating Java data types == | == Translating Java data types == | ||
{| class="wikitable" | {| class="wikitable" | ||
| − | ! Java type !! [[Pascal/de|Pascal]] [[Data_type/de|type]] !! Size (bits) !! Range | + | ! Java type !! [[Pascal/de|Pascal]] [[Data_type/de|type]] !! Size (bits) !! Range |
|- | |- | ||
| − | | byte | + | | byte |
| Shortint | | Shortint | ||
| 8-bit | | 8-bit | ||
| -128 .. 127 | | -128 .. 127 | ||
| − | |||
|- | |- | ||
| − | | short | + | | short |
| SmallInt | | SmallInt | ||
| 16-bit | | 16-bit | ||
| − | | -32768 .. 32767 | + | | -32768 .. 32767 |
|- | |- | ||
| − | | int | + | | int |
| LongInt | | LongInt | ||
| 32-bit | | 32-bit | ||
| − | | -2147483648..2147483647 | + | | -2147483648..2147483647 |
| − | |||
|- | |- | ||
| − | | int | + | | int |
| LongInt | | LongInt | ||
| 32-bit | | 32-bit | ||
| − | | -2147483648..2147483647 | + | | -2147483648..2147483647 |
| − | |||
|- | |- | ||
| − | | long | + | | long |
| Int64 | | Int64 | ||
| 64-bit | | 64-bit | ||
| − | | -9 223 372 036 854 775 808 .. 9 223 372 036 854 775 807 | + | | -9 223 372 036 854 775 808 .. 9 223 372 036 854 775 807 |
| − | |||
|- | |- | ||
| − | | float | + | | float |
| Single | | Single | ||
| 32-bit | | 32-bit | ||
| − | | 1.5E-45 .. 3.4E+38 | + | | 1.5E-45 .. 3.4E+38 |
| − | |||
|- | |- | ||
| − | | double | + | | double |
| Double | | Double | ||
| 64-bit | | 64-bit | ||
| − | | 5.0E-324 .. 1.7E+308 | + | | 5.0E-324 .. 1.7E+308 |
| − | |||
|- | |- | ||
| − | | boolean | + | | boolean |
| Boolean | | Boolean | ||
| | | | ||
| False True | | False True | ||
| − | |||
|- | |- | ||
| − | | char | + | | char |
| WideChar | | WideChar | ||
| 16-bit | | 16-bit | ||
| 2 Zeichen codieren ein sichtbares Zeichen | | 2 Zeichen codieren ein sichtbares Zeichen | ||
| − | |||
|- | |- | ||
| − | | String | + | | String |
| String | | String | ||
| | | | ||
Revision as of 16:35, 24 March 2013
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Übersetzen von gemeinsamen Programm-Teilen
Die folgende englisch sprachige Seite zeigt, wie gemeinsame Probleme in verschiedenen Programmiersprachen, einschließlich Java und FreePascal / Object Pascal gelöst werden können.
Rosetta Code
Übersetzen von Java Stichwörtern / Konzepten
| Java | Pascal | Kommentare |
|---|---|---|
| { | Begin | |
| } | End | |
| = | := | Zuweisung |
| == | = | Gleich |
| / | / | Division |
| % | Mod | Modulo (Division ohne Rest) |
| ! | Not | Nichten (Den Wahrheitswert in sein Gegenteil ändern) |
| != | <> | ungleich |
| && | And | logisches UND |
| || | Or | logisches ODER |
| ^ | Xor | exclusives ODER |
| >> | Shr | bitweises shift right |
| << | Shl | bitweises shift left |
| ++ | Inc | inkrementieren (Heraufzählen) |
| -- | Dec | dekrementieren (Herunterzählen) |
| /* | { | Anfang eines Kommentars |
| /* | (* | Anfang eines Kommentars |
| */ | } | Ende eines Kommentars |
| */ | *) | Ende eines Kommentars |
| // | // | Kommentarzeile |
| public static void main(String[] args) { } | Program ProgramName; Begin End. | Unterprogramm |
| someType arrayVar[]; | arrayVar: Array Of someType; | |
| someType arrayVar[#]; | arrayVar: Array[MINRANGE..MAXRANGE] Of someType; | |
| null | Nil | |
| abstract | Abstract | |
| break | Break | |
| class TheClass { } | TheClass = Class End; | FPC / Delphi |
| class TheClass { } | TheClass = Object End; | FPC / Turbo Pascal |
| class TheClass<T> { } | Generic TheClass = Class<T> End; | Generische werden Klassen erst ab FPC 2.2.2 unterstützt |
| TheClass() | Constructor CtorName | Der Name des Konstructors ist entweder Init oder Create |
| continue | Continue | |
| do while ! | Repeat Until Not | |
| do while | Repeat Until | |
| enum TheEnum | TheEnum = ( MINVALUE .. MAXVALUE ); | |
| enum TheEnum = {MINVALUE, MAXVALUE} | TheEnum = ( MINVALUE, MAXVALUE ); | |
| TheEnum enumVar; | enumVar := Set Of TheEnum; | |
| extends | SubClass = Class(BaseClass) | |
| final | Const | |
| for ++ | For To Do | |
| for -- | For Downto Do | |
| if() | If Then | |
| if() else | If Then Else | |
| implements | SomeClass = Class(SomeInterface) | |
| import | Uses | |
| instanceof | Is | |
| interface | TheInterface = Interface | |
| native | StdCall | Nur für Windows |
| native | CDecl | Nur für Unix |
| new primitive_type[#]; | SetLength(ArrayVar, #); | |
| new Class(); | InstanceVar := TheClass.Create; | |
| package pkgName; | Unit unitName; Interface Implementation End. | |
| private | Private | |
| protected | Protected | |
| public | Public | |
| return | FunctionName := | |
| return | Result:= | ObjFPC Modus oder Delphi Modus |
| static | Static | |
| static | Class Function | |
| static | Class Procedure | |
| super | Inherited | Ruft den Elternkonstruktor auf |
| switch case break | Case Of End | |
| switch case break default | Case Of Else End | |
| synchronized | ||
| this | Self | |
| throw | Raise | |
| throws | ||
| transient | ||
| try { } catch | Try except | |
| try { } catch finally | Try Finally | |
| void | Procedure | |
| volatile | ||
| while | While Do |
Translating Java data types
| Java type | Pascal type | Size (bits) | Range |
|---|---|---|---|
| byte | Shortint | 8-bit | -128 .. 127 |
| short | SmallInt | 16-bit | -32768 .. 32767 |
| int | LongInt | 32-bit | -2147483648..2147483647 |
| int | LongInt | 32-bit | -2147483648..2147483647 |
| long | Int64 | 64-bit | -9 223 372 036 854 775 808 .. 9 223 372 036 854 775 807 |
| float | Single | 32-bit | 1.5E-45 .. 3.4E+38 |
| double | Double | 64-bit | 5.0E-324 .. 1.7E+308 |
| boolean | Boolean | False True | |
| char | WideChar | 16-bit | 2 Zeichen codieren ein sichtbares Zeichen |
| String | String |
--Olaf 14:28, 24 March 2013 (UTC)
