Mainstream object-oriented languages, such as C++ and Java1, provide only a restricted form of polymorphic methods, namely uni-receiver dispatch. In common programming situations, developers must work around this limitation. We describe how to extend the Java Virtual Machine to support multi-dispatch and examine the complications that Java imposes on multidispatch in practice. Our technique avo...

Multiple dispatch generalizes the receiver-oriented dynamic dispatch of traditional object-oriented (OO) languages by allowing the run-time classes of all arguments to be employed. While research over the last decade has shown how to integrate multiple dispatch with the modular static typechecking found in traditional OO languages, that work has been forced to impose unnatural restrictions or m...

The steady-state and nonequilibrium properties of the model of environmentaleconomic interactions are studied. The interacting heterogeneous agents are simulated on the platform of the emission dynamics of cellular automaton. The model possess the discontinuous transition between the safe and catastrophic ecology. Right at the critical line, the broad-scale power-law distributions of emission r...

This paper presents an efficient Water Evaporation Optimization algorithm (WEO) is proposed to solve a Dynamic Economic Dispatch problem (DED). The dynamic dispatch problem differs from the static economic dispatch problem by incorporating generator spinning reserve, ramp rate limits, and valve point loading and transmission losses. The proposed water evaporation optimization algorithm is based...

Multiple argument dispatching is a natural extension of single-argument, or receiver-based, dispatch. Recently several techniques were proposed that aim to make multiple dispatch an efficient operation. However, none of the studies has actually analyzed run-time behavior. In this study we compare several techniques, two of which are presented for the first time, by writing down abstract assembl...

Class specialization is the most original feature of object orientation, but identifying it to subtyping leads to the well known covariance-contravariance controversy. Type safety requires contravariance while specialization needs covariance. This paper aims to precisely analyse this problem, to show how irreductible it is and the need for type errors. We show that many alternatives as multiple...

A Quasi Oppositional Gray Wolf Optimization (QOGWO) algorithm has been used in this work to decipher the economic load dispatch of hydrothermal system. Dynamic problem involves scheduling committed generators meet demand with minimum fuel cost and several constraints which are dynamic nature. It is basically short-term (STHS) problems through cascaded reservoirs. Instead pseudo-random numbers q...

We explore the ramifications of object residency assumptions and their impact on residency checking for several subroutine dispatch scenarios: procedural, static object-oriented, and dynamic (virtual) object-oriented. We obtain dynamic counts of the residency checks necessary for execution of several benchmark persistent programs under each of these scenarios. The results reveal that significan...