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打印乘法口诀表四个方向

时间:2016-08-27 22:04:28      阅读:1767      评论:0      收藏:0      [点我收藏+]

for (int i = 9; i >= 1; i--) {
  for (int k = i - 1; k > 0; k--) {
    System.out.print("\t");
  }
  for (int j = 9; j >= i; j--) {
    System.out.print(i + "*" + j + "=" + i * j + "\t");
  }
  System.out.println();
}
System.out.println("********************************************************************");
for (int i = 1; i <= 9; i++) {
  for (int k = i - 1; k > 0; k--) {
    System.out.print("\t");
  }
  for (int j = 9; j >= i; j--) {
    System.out.print(i + "*" + j + "=" + i * j + "\t");
  }
  System.out.println();
}
for (int i = 1; i < 10; i++) {
  for (int j = 1; j <= i; j++) {
    System.out.print(i + "*" + j + "=" + i * j + "\t");
  }
  System.out.println("");
}
System.out.println("********************************************************************");
for (int i = 9; i > 0; i--) {
  for (int j = 1; j <= i; j++) {
    System.out.print(i + "*" + j + "=" + i * j + "\t");
  }
  System.out.println();
}

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(其他)与第一个方向的三角九九乘法表,数据相反

for (int i = 1; i <= 9; i++) {
  for (int j = 9; j > 0; j--)
    if (j <= i) {
      for (int m = 1; m <= j; m++) {
        System.out.print(m + "*" + j + "=" + m * j + "\t");
      }
      break;
    } else {
      System.out.print("\t");
  }
  System.out.println();
}
System.out.println("********************************************************************");
for (int i = 9; i >= 1; i--) {
  for (int j = 9; j > 0; j--)
    if (j <= i) {
      for (int m = 1; m <= j; m++) {
        System.out.print(m + "*" + j + "=" + m * j + "\t");
      }
      break;
    } else {
      System.out.print("\t");
    }
    System.out.println();
}

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打印乘法口诀表四个方向

原文:http://www.cnblogs.com/bd195746/p/5813842.html

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