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Virtual Methods

The major difficulty in supporting Java binary compatibility is the handling of virtual methods. In this section, we present our idea in a simplified setting where only virtual methods under single inheritance are considered. Temporarily putting aside other features (e.g. modifiers) makes it easier to understand our solution. Extending this solution to work for static methods and constructors is trivial. All the other language features can be supported with simple extensions which we present later.



Subsections

Dachuan Yu 2002-05-23