9*9口诀

 1 public class arithmetic {
 2     
 3         public static void main(String[] args){
 4             sows(9,9);
 5         }
 6 
 7     private static void sows(int row, int line) {
 8        
 9             for(int i=1;i<=row;++i){
10                 for(int j=1;j<=line;++j){
11                     if(i>=j)
12                         System.out.print(i+"+"+j+"="+(i*j)+"\t");
13                 }
14                  System.out.println();
15             }
16     }
17 }