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  • Java使用for循环打印乘法口诀(正倒左右三角形)

    代码1:

     1 public void test1(){
     2         for(int i = 1; i < 10 ; i ++){
     3             for(int k = 1; k < i ; k ++){
     4                 System.out.print("	");
     5             }
     6             for(int j = i; j < 10 ; j ++){
     7                 System.out.print(i+"×"+j+"="+i*j+"	");
     8             }
     9             System.out.println();
    10         }
    11     }

    打印:

     

    代码2:

    1     public void test2(){
    2         for (int i = 1; i < 10; i++) {
    3             for (int j = 1; j <= i; j++) {
    4                 System.out.print(i+"×"+j+"="+i*j+"	");
    5             }
    6             System.out.println();
    7         }
    8     }

    打印:

      

    代码3:

    1     public void test3(){
    2         for (int i = 1; i < 10; i++) {
    3             for (int j = 1; j <= 10-i; j++) {
    4                 System.out.print(i+"×"+j+"="+i*j+"	");
    5             }
    6             System.out.println();
    7         }
    8     }

    打印:

      

    代码4:

     1     public void test4(){
     2         for (int i = 1; i < 10; i++) {
     3             for (int k = 1; k < 10-i; k++) {
     4                 System.out.print("	");
     5             }
     6             for (int j = 10-i; j < 10; j++) {
     7                 System.out.print(i+"×"+j+"="+i*j+"	");
     8             }
     9             System.out.println();
    10         }
    11     }

    打印:

      

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  • 原文地址:https://www.cnblogs.com/jpwz/p/5737395.html
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