打印杨辉三角

public class Syanghui{
      public static void main(String[] args){
             int[][] arry=new int[15][15];
             for(int i=0;i<15;i++){
                 arry[i][0]=1;
                 arry[i][i]=1;
               }
             for(int i=2;i<15;i++){
                for(int j=1;j<i;j++){
                   arry[i][j]=arry[i-1][j-1]+arry[i-1][j];
                 }
              }
             for(int i=0;i<15;i++){
                 for(int j=0;j<i+1;j++){
                      System.out.print(arry[i][j]+" ");
                      }
                  System.out.println();
               }
          }
}