九九乘法表

public class ChengDemo { 

   public static void main(String args[]){  

     for(int k = 1;k<=9;k++){         //外循环用于控制行数        

        for(int j = 1;j<=k;j++){             

           System.out.print(j+"*"+k+"="+(j*k)+" ");     //" "为制表符 

               }    

                System.out.println();  //换行  

         } 

    }

}