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System administrator deals with many problems, as computing environment becomes increasingly complex.Systems with an ability to recognize system states and adapt to resolve these problems offer a solution. Much experience and knowledge are required to build a self-adaptive system. Self-adaptive systems have inherent difficulties. This paper proposes a technique that automatically generates the code for the self-adaptive system. Thus the system is easier to build.Self-adaptive systems of previous research required high system resource usage. Incorrect operation could be invoked by extal factors such as viruses. We propose an improved self-adaptive system approach and apply it to video conference system and robot system. We compared the lines of code, the number of classes created by the developers. We have confirmed this enhanced approach to be effective in reducing these development metrics.