Write a java program to print the below pattern
1
3 2
4 5 6
10 9 8 7
11 12 13 14 15
21 20 19 18 17 16

Solution (By Examveda Team)

public class HelloWorld{

     public static void main(String []args){

         int k = 1;

         int x=1;

         for (int i = 1; i <= 10; i++) 

        {

            if(i%2==0){

                x=k+i-1;

                for (int j = 1; j <= i; j++)

                {

                    System.out.print(x+" ");

                    x--;

                    k++;

                }

            }

            else{

                x=k;

                for (int j = 1; j <= i; j++)

                {

                    System.out.print(x+" ");

                    x++;

                    k++;

                }

            }

            System.out.println();

        }

     }

}