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package Patterns;

import java.util.Scanner;

public class hollowDiamond {

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

System.out.print(" How Many Levels? ");

int n = sc.nextInt();

if((n&1)==0)n++;

//Upper Half Triangle

for(int i=1;i<(n/2)+1;i++) {

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

System.out.print(" ");

for(int j=1;j<=(2*i)-1;j++) {

if((j==1)||(j==(2*i)-1))

System.out.print("* ");

else

System.out.print(" ");

}

for(int k=1;k<=n-i;k++)

System.out.print(" ");

System.out.println();

}

//Lower Half Triangle

for(int i=n/2+1;i>=1;i--) {

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

System.out.print(" ");

for(int j=1;j<=(2*i)-1;j++) {

if((j==1)||(j==(2*i)-1))

System.out.print("* ");

else

System.out.print(" ");

}

for(int k=1;k<=n-i;k++)

System.out.print(" ");

System.out.println();

}

sc.close();

}

}