Description: Problem Description: In this experiment, the integrated embodiment of object-oriented programming design techniques. This experiment required the application of object-oriented programming courses in the Packaging and inheritance, the basic principles, the courses category, objects and interfaces, the basic concept, as well as the Java s event handling mechanism, graphical user interface design technology, its own ideas, have the following layout of the preparation of a small application, and request the text in the above areas, type the number of a few hours, the following text box at the same time the number of input and calculated the average sum computing. With the input that changes in the text box and the average sum of continuously updated. Document in detail the experimental requirements and the source code.
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