Java program to print following number pattern

      1
     212
    32123
   4321234
  543212345
 65432123456

Answer :

public class Pattern9 {

 public static void main(String[] args) {
  
     for(int i=1;i<7;i++)
     {
       for(int s=7-i;s>1;s--)
       {
         System.out.print(" ");
       }
   
       for(int j=i;1<=j;j--)
       {
         System.out.print(j);
       }

       for(int k=2;k<=i;k++)
       {
         System.out.print(k);
       }

       System.out.println();
     }
 }

}