right swastik, Java

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//'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=in.nextInt();
        System.out.print("*");
                      for(int i=1;i<=n-2;i++) System.out.print(" ");
                       for(int j=1;j<=n;j++) System.out.print("*");
                        System.out.println();
                       for(int k=1;k<=n;k++){
                            System.out.print("*");
                       for(int l=1;l<=n-2;l++) System.out.print(" ");
                        System.out.print("*");
                        System.out.println();
                  }
                for(int m=1;m<=2*n;m++)
                       System.out.print("*");
                       System.out.println();
                 for(int o=1;o<=n;o++){
                        for(int p=1;p<=n-1;p++)
                          System.out.print(" ");
                           System.out.print("*");
                    for(int q=1;q<=n-1;q++)
                            System.out.print(" ");
                            System.out.println("*");
                        
                 }
                         for(int r=1;r<=n;r++) System.out.print("*");
                         for(int s=1;s<=n-1;s++)
                        System.out.print(" ");
                         System.out.println("*");
                        System.out.println();
    }
}

[ - ] Show input
Compilation time: 1.55 sec, absolute running time: 0.32 sec, cpu time: 0.37 sec, memory peak: 20 Mb, absolute service time: 1,88 sec