dimond of stars, Java

dimond of stars

//'main' method must be in a class 'Rextester'.
//Compiler version 1.8.0_111

import java.util.Scanner;

class Rextester
{  
    public static void main(String args[])
    {
           Scanner in=new Scanner(System.in);
            int n;
             n=in.nextInt();
             for(int i=1;i<=n;i++)
             {
                     for(int j=1;j<=(n+1)-i;j++)
                     {
                             System.out.print(" ");
                      }
                      for(int k=1;k<=i;k++)
                      {
                              System.out.print("* ");
                        }
                        System.out.println("");
              }
              for(int i=2;i<=n;i++)
             {
                     for(int j=1;j<=i;j++)
                     {
                             System.out.print(" ");
                      }
                      for(int k=(n+1)-i;k>=1;k--)
                      {
                              System.out.print("* ");
                        }
                        System.out.println("");
              }
    }
}


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