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package com.tutorial.five;

import java.util.Scanner;

public class HollowDiamond {

public static void main(String[] args) {

// TODO Auto-generated method stub

Scanner in = new Scanner(System.in);

System.out.print("Enter any height: ");

int height = in.nextInt();

int totalHeight = height*2-1;

int printLeftStar = totalHeight/2;

boolean printLeftStarAdd = false;

int printRightStar = totalHeight/2;

boolean printRightStarSub = false;

for(int i=0; i<totalHeight; i++)

{

for(int j=0; j<totalHeight; j++)

{

if(printLeftStar == j || printRightStar == j)

{

System.out.print("*");

}

else

System.out.print(" ");

}

if(printLeftStar == 0)

{

printLeftStarAdd = true;

}

if(printRightStar == totalHeight-1)

{

printRightStarSub = true;

}

if(printLeftStarAdd)

{

printLeftStar++;

}

else

{

printLeftStar--;

}

if(printRightStarSub)

{

printRightStar--;

}

else

{

printRightStar++;

}

System.out.println("");

}

in.close();

}

}