99乘法表(Java版)

最新推荐文章于 2024-06-14 23:34:16 发布

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最新推荐文章于 2024-06-14 23:34:16 发布

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分类专栏： Java 文章标签： 99-乘法表 99 乘法表

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代码：

public class Test {
    public static void main(String[] args){

        for (int i = 1; i <= 9; i ++){
            for (int j = 1; j <= 9; j++){
                if (i >= j) {
                    System.out.print(String.format("%2d", j) + " *" + String.format("%2d", i) + " = " + String.format("%2d", i * j) + "   ");
                }
            }
            System.out.println();
        }
    }
}

运行结果：

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