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halfDiamond.java

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package Patterns;

import java.util.Scanner;

/*

*

* *

* * *

* * * *

* * * * *

* * * * * *

* * * * * * *

* * * * * *

* * * * *

* * * *

* * *

* *

*

* */

public class halfDiamond {

public static void main(String[] args) {

Scanner input = new Scanner(System.in);

System.out.println("Enter the no.of stars: ");

int n = input.nextInt();

int spaces=n-1;

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

for (int j = i; j <=spaces; j++) {

System.out.print(" ");

}

for (int k = 1; k <= i; k++) {

System.out.print("* ");

}

System.out.println(" ");

}

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

for (int j = i; j >=spaces; j--) {

System.out.print(" ");

}

for (int k = 1; k <= i; k++) {

System.out.print("* ");

}

spaces=spaces-2;

System.out.println(" ");

}

input.close();

}

}