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This will invoke a Java method, and does the same thing as object. method (argument,...) in Java. An object's fields can be accessed with: object:field-name or (invoke object 'field-name). Static (class) methods can be invoked with the function invoke-static. Kawa can be extended with Java code (by creating scheme functions in Java), and ...
In May 2007, the Greenfoot project was awarded the "Duke's Choice Award" in the category "Java Technology in Education", and in 2010 it won the "Premier Award for Excellence in Engineering Education Courseware". In March 2009, Greenfoot project became free and open source software, and licensed under GPL-2.0-or-later with the Classpath exception.
Persist (Java tool) Pointer (computer programming) Polymorphism (computer science) Population-based incremental learning; Prepared statement; Producer–consumer problem; Project Valhalla (Java language) Prototype pattern; Proxy pattern
Overriding refers to a subclass redefining the implementation of a method of its superclass. For example, findArea may be a method defined on a shape class, [2] triangle, etc. would each define the appropriate formula to calculate their area. The idea is to look at objects as "black boxes" so that changes to the internals of the object can be ...
The concept of code blocks it implements is based on MIT's Scratch visual language (listed above). It also permits the use of normal typed code (separate or intermingled) through its own API and the Haxe language. ToonTalk is a language and environment that looks like a video game. Computational abstractions are mapped to concrete analogs such ...
This facilitates code refactoring, for example allowing the author of the class to change how objects of that class represent their data internally without changing any external code (as long as "public" method calls work the same way). It also encourages programmers to put all the code that is concerned with a certain set of data in the same ...
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It provided on-the-fly conversion from XML to any format, such as HTML, WAP or text using either W3C standard techniques, or flexible custom code; Beehive: Java visual object model; Buildr: a build system for Java-based applications, including support for Scala, Groovy and a growing number of JVM languages and tools