用Eclipse3.1.1编写的Java版“九九乘法表”

本文介绍了一个使用Java语言编写的九九乘法表程序。该程序通过嵌套循环结构实现了从1*1到9*9的所有乘法运算,并以表格形式输出,便于教育和学习场景使用。

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public class Hello
{
       public static void main(String args[])
       {
              //定义:直线zx 中间线zj 中间靠右线zy 2006.10.7 15:32
              String zx=" ---------------------------------------------------------------------------------------------------";
              String zj =" | ";
              String zy ="   | ";
              int a,b,total=0;
              System.out.println("                        用JAVA语言编写的“九九乘法表” by tanjian 2006.10.7 15:40");
              System.out.println();
              System.out.println(zx);
              for(a=1;a<=9;a++)
              {
                     System.out.print(zj);
                     for(b=1;b<=9;b++)
                     {
                            total=a*b;
                            System.out.print(a+"*"+b+"="+total);
                            switch (a)
                            {
                            case 1:
                                   if (b==1){System.out.print(zj);}else     {System.out.print(zy);}
                                   break;
                            case 2:
                                   if (b==2 || b==3 || b==4){System.out.print(zy);}else   {System.out.print(zj);}
                                   break;
                            case 3:
                                   if (b==2 || b==3){System.out.print(zy);}else       {System.out.print(zj);}
                                   break;
                            case 4:
                                   if (b==2){System.out.print(zy);}else    {System.out.print(zj);}                             
                                   break;
                            default:
                                   System.out.print(zj);                   
                            }
                     }
                     System.out.println();
                     System.out.println(zx);               
              }
              System.out.println(" 输出完毕,欢迎访问我的Blog: http://blog.youkuaiyun.com/hhtanjian");
       }
}
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