题目内容
AdeveloperisdesigningawebapplicationwhichextensivelyusesEJBsandJMS.ThedeveloperfindsthatthereisalotofduplicatedcodetobuildtheJNDIcontextstoaccessthebeansandqueues.Further,becauseofthecomplexity,therearenumerouserrorsinthecode.WhichJ2EEdesignpatternprovidesasolutionforthisproblem?()
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