Java Program To Print Diamond Star Pattern

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import java.util.*;

public class JavaDiamondStarPattern {

	public static void main(String args[]) {
		int rows = 7, i, space, star = 0;

		for (i = 1; i <= rows; i++) {
			// Printing spaces
			for (space = 1; space <= rows - i; space++) {
				System.out.print(" ");
			}

			// Printing stars
			while (star != (2 * i - 1)) {
				System.out.print("*");
				star++;
			}

			star = 0;
			// move to next row
			System.out.print("\n");
		}
		rows--;

		for (i = rows; i >= 1; i--) {
			// Printing spaces
			for (space = 0; space <= rows - i; space++) {
				System.out.print(" ");
			}

			// Printing stars
			star = 0;
			while (star != (2 * i - 1)) {
				System.out.print("*");
				star++;
			}
			System.out.print("\n");
		}
	}
}
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