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Java经典编程习题100例：第19例：要求定义一个int型数组a,包含100个元素,保存100个随机的4位数。再定义一个 int型数组b，包含10个元素。统计a数组中的元素对10求余等于0的个数，保

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Java经典编程习题100例：第16例：定义一个int型的一维数组，包含40个元素，用来存储每个学员的成绩，循环产生40个0~100之间的随机整数，将它们存储到一维数组中，然后统计成绩低于平均分的学

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