java用一个for循环输出99乘法表

 

Java代码  收藏代码
  1. public static void main(String[] args) {  
  2.         for(int i=1,j=1;i<=9;){  
  3.                 System.out.print(j+"*"+i+"="+i*j);  
  4.                 if (j==i){  
  5.                     i++;  
  6.                     j=1;  
  7.                     System.out.println();  
  8.                 }else{  
  9.                     j++;  
  10.                     System.out.print(" ");  
  11.                 }  
  12.         }  
  13.     }  
Java代码  收藏代码
    1. //以下是两个for实现  
    2. for(int i=1;i<=9;i++){  
    3.     for(int j=1;j<=i;j++){  
    4.         System.out.print(j+"*"+i+"="+i*j);  
    5.         if (j<i){  
    6.             System.out.print(" ");  
    7.         }  
    8.     }  
    9.     System.out.println();  
    10. }
    11. 优化
    12. public class nine{
          public static void main(String[] args) {  
                  for(int i=1,j=1;j<=9;i++){  
                          System.out.print(i+"*"+j+"="+i*j+" ");  
                          if (i==j){  
                              i=0;  
                              j++;  
                              System.out.println();  
                          }                   
                      }  
                  }  

          }

原文地址:https://www.cnblogs.com/bb3q/p/4516685.html