The JavaFX Script Language in Java

Encode QR-Code in Java The JavaFX Script Language
The JavaFX Script Language
Create Quick Response Code In Java
Using Barcode generation for Java Control to generate, create QR image in Java applications.
of the desktop profile can be run only on platforms that support that specific profile Some features can be used by any application but which do nothing on some platforms An example of this is the Effects API, which is discussed in 20, Effects and Blending It is possible to use the javafxruntimePlatform class, which we discuss in 12, Platform APIs, to determine at runtime whether features that fall in this category are available to your application The API documentation that accompanies the JavaFX software development kit (SDK) indicates which packages and classes are provided with each profileThis book covers both the common and desktop profiles, and clearly indicates those features that are not part of the common profile
Paint Barcode In Java
Using Barcode creation for Java Control to generate, create barcode image in Java applications.
The JavaFX Script Language
Bar Code Decoder In Java
Using Barcode decoder for Java Control to read, scan read, scan image in Java applications.
The JavaFX Script language was designed to make it easier for developers to write JavaFX applications and, specifically, graphical user interface (GUI) applicationsAs you ll see as you read through Part II of this book, JavaFX Script has several features geared to the needs of the GUI developerYou will also discover that JavaFX is a much more relaxed language than Java For example, here is the canonical Hello,World example as it would be written in JavaFX Script:
QR-Code Generation In Visual C#.NET
Using Barcode encoder for .NET Control to generate, create Quick Response Code image in .NET applications.
// "Hello, World" in JavaFX println("Hello, World")
QR Code JIS X 0510 Creator In .NET Framework
Using Barcode creator for ASP.NET Control to generate, create QR-Code image in ASP.NET applications.
As you can see, only a single line of executable code is required1 Compare this to its Java equivalent:
QR Encoder In .NET
Using Barcode maker for .NET Control to generate, create QR-Code image in VS .NET applications.
public class HelloWorld { public static void main(String[] args) { Systemoutprintln("Hello, World"); } }
QR Code Drawer In Visual Basic .NET
Using Barcode drawer for .NET framework Control to generate, create Denso QR Bar Code image in .NET applications.
In Java, you have to create a class, define a main() method with a specific signature, and then write the code that you want to execute In JavaFX, you can skip the first two parts and just write the code JavaFX does have classes, of course, but you will find that
Make ANSI/AIM Code 39 In Java
Using Barcode generation for Java Control to generate, create Code39 image in Java applications.
You might have noticed that there is no semicolon at the end of this line of code A semicolon is needed only to separate two JavaFX statements, so in this case we can get away without one You also don t need a semicolon after the last statement of a function or, more generally, after the final statement of a block Of course, if your Java instincts were to cause you to add a semicolon here as a reflex action, that s okay, too you won t get a warning or an error from the compiler This is an example of the more relaxed syntax rules that make JavaFX easier to work with than Java
Generating Bar Code In Java
Using Barcode printer for Java Control to generate, create barcode image in Java applications.
1 An Overview of JavaFX
ANSI/AIM Code 128 Generation In Java
Using Barcode generation for Java Control to generate, create Code 128B image in Java applications.
they don t feature nearly as prominently as they do in Java In fact, this book hardly mentions user-defined classes until 11, JavaFX Script Classes
Encode Data Matrix 2d Barcode In Java
Using Barcode generation for Java Control to generate, create Data Matrix 2d barcode image in Java applications.
Variable Declarations
Creating UPC - 13 In Java
Using Barcode creator for Java Control to generate, create EAN 13 image in Java applications.
Variable declarations are more relaxed in JavaFX than they are in Java Here s how you declare and initialize a string variable in JavaFX:
Make Code 93 Extended In Java
Using Barcode creation for Java Control to generate, create Code 93 Extended image in Java applications.
var hello = "Hello, World";
Scan Code128 In Visual Studio .NET
Using Barcode reader for VS .NET Control to read, scan read, scan image in .NET applications.
Variable declaration requires the keyword var (or def, as you ll see in 5, Variables and Data Types ), but you don t have to specify the type of the variable in this case, the compiler can deduce that its type must be String because of the way in which it is initializedThis feature of the language is called type inference and is discussed more fully in 5 In some circumstances, type inference does not work, but in the most common cases, this feature relieves you of the need to explicitly state the types of your variables Although a variable s type need not always be explicitly given, it is fixed once it has been determinedThis means that, like Java, JavaFX is a statically typed language, by comparison with JavaScript, which supports dynamically typed variables and is consequently less type-safe In JavaFX, the following code is not legal:
Data Matrix ECC200 Drawer In VB.NET
Using Barcode encoder for VS .NET Control to generate, create Data Matrix 2d barcode image in .NET framework applications.
var hello = "Hello, World"; hello = 123; // Error!
Make Barcode In VS .NET
Using Barcode creator for ASP.NET Control to generate, create bar code image in ASP.NET applications.
As a result of its declaration, the variable hello is of type String, even though this is not explicitly stated in the codeThe type is permanently associated with the variable, so it is not legal to assign to it any non-String value, such as the numeric value 123 used in this example In JavaScript and other dynamically typed languages, this reassignment of type would be legal
Draw ANSI/AIM Code 128 In Visual Studio .NET
Using Barcode printer for ASP.NET Control to generate, create Code 128 Code Set C image in ASP.NET applications.
Code 128B Encoder In C#.NET
Using Barcode drawer for Visual Studio .NET Control to generate, create Code-128 image in .NET applications.
Bar Code Reader In VS .NET
Using Barcode reader for VS .NET Control to read, scan read, scan image in VS .NET applications.