public class C3_16
{ 
    public static void main(String[] args)
    {
        for(int i=1;i<=10;i++)
        {
            for(int j=1;j<=11-i;j++)
                System.out.print(" ");
            for(int j=1;j<=i;j++)
                {
                    if(i>=10) System.out.print(+i+" "
 
);
                    else System.out.print(+i+"  ");
                }
                System.out.println(" ");
        }
    }
}

執行結果：