scala

怎么用scala输出九九乘法表

小亿
372
2024-01-11 22:08:22
栏目: 编程语言

可以使用两个循环嵌套来实现九九乘法表的输出,其中外层循环控制乘法表的行数,内层循环控制每一行的列数。

以下是使用 Scala 实现九九乘法表的代码示例:

object MultiplicationTable {
  def main(args: Array[String]): Unit = {
    for (i <- 1 to 9) {
      for (j <- 1 to i) {
        print(j + " * " + i + " = " + (i * j) + "\t")
      }
      println()
    }
  }
}

运行上述代码,即可输出如下的九九乘法表:

1 * 1 = 1
1 * 2 = 2	2 * 2 = 4
1 * 3 = 3	2 * 3 = 6	3 * 3 = 9
1 * 4 = 4	2 * 4 = 8	3 * 4 = 12	4 * 4 = 16
1 * 5 = 5	2 * 5 = 10	3 * 5 = 15	4 * 5 = 20	5 * 5 = 25
1 * 6 = 6	2 * 6 = 12	3 * 6 = 18	4 * 6 = 24	5 * 6 = 30	6 * 6 = 36
1 * 7 = 7	2 * 7 = 14	3 * 7 = 21	4 * 7 = 28	5 * 7 = 35	6 * 7 = 42	7 * 7 = 49
1 * 8 = 8	2 * 8 = 16	3 * 8 = 24	4 * 8 = 32	5 * 8 = 40	6 * 8 = 48	7 * 8 = 56	8 * 8 = 64
1 * 9 = 9	2 * 9 = 18	3 * 9 = 27	4 * 9 = 36	5 * 9 = 45	6 * 9 = 54	7 * 9 = 63	8 * 9 = 72	9 * 9 = 81

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