Using prototypical objects to implement shared behavior in object-oriented systems
OOPLSA '86 Conference proceedings on Object-oriented programming systems, languages and applications
OOPSLA '87 Conference proceedings on Object-oriented programming systems, languages and applications
The programming language jigsaw: mixins, modularity and multiple inheritance
The programming language jigsaw: mixins, modularity and multiple inheritance
Design patterns: elements of reusable object-oriented software
Design patterns: elements of reusable object-oriented software
Featherweight Java: a minimal core calculus for Java and GJ
ACM Transactions on Programming Languages and Systems (TOPLAS)
Types and programming languages
Types and programming languages
Information and Computation - FOOL V
Object-Oriented Design Heuristics
Object-Oriented Design Heuristics
Smalltalk-80: The Language
A lambda calculus of objects and method specialization
Nordic Journal of Computing
Object-Oriented Multi-Methods in Cecil
ECOOP '92 Proceedings of the European Conference on Object-Oriented Programming
A Delegation-based Object Calculus with Subtying
FCT '95 Proceedings of the 10th International Symposium on Fundamentals of Computation Theory
Automated Delegation is a Viable Alternative to Multiple Inheritance in Class Based Languages
Automated Delegation is a Viable Alternative to Multiple Inheritance in Class Based Languages
Method driven model: a unified model for an object composition language
ACM SIGPLAN Notices
Traits: A mechanism for fine-grained reuse
ACM Transactions on Programming Languages and Systems (TOPLAS)
Programming in Objective-C
Proceedings of the 2007 ACM symposium on Applied computing
A Subtyping for Extensible, Incomplete Objects
Fundamenta Informaticae
A mechanism for flexible dynamic trait replacement
Proceedings of the 11th International Workshop on Formal Techniques for Java-like Programs
I-Java: An Extension of Java with Incomplete Objects and Object Composition
SC '09 Proceedings of the 8th International Conference on Software Composition
Adding State and Visibility Control to Traits Using Lexical Nesting
Genoa Proceedings of the 23rd European Conference on ECOOP 2009 --- Object-Oriented Programming
Delegation by object composition
Science of Computer Programming
On flexible dynamic trait replacement for Java-like languages
Science of Computer Programming
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Class inheritance and method overriding, as provided by standard class-based languages, are not flexible enough to represent the dynamic behavior of objects; with this respect, object composition and delegation are often advocated as a more flexible alternative to class inheritance since they act at run-time, thus permitting the behavior of objects to be specialized dynamically. In this paper we present Incomplete Featherweight Java (IFJ), an extension of Featherweight Java with incomplete objects, i.e., objects that require some missing methods which can be provided at run-time by composition with another (complete) object. The mechanism for method invocation is based on delegation and it is disciplined by static typing, therefore the language enjoys type safety (which implies no "message-not-understood" run-time errors) and avoids possible accidental overrides due to method clashes.