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国家开放大学学习网Java语言程序设计形考任务4课程实验1
学习完4-5章后,选做【课程实验】栏目中实验3和实验4其中一个。 请提交源代码,并将执行结果的输出信息截图保存并提交。 本次任务满分25分。 通过本实验,了解和掌握类和接口的继承与多态使用。 02问题描述 杂物店正在做促销活动,针对春节制定了促销 ...
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