Example: Diamond Pattern in Java using For loop

// Diamond Pattern in Java using For loop
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);

        int x, c, k, s = 1;
        
        System.out.print("-----Enter the number of rows-----\n");
        x = in.nextInt();
        
        s = x - 1;
        
        for (k = 1; k <= x; k++) {
            System.out.print("\t");
            for (c = 1; c <= s; c++)
                System.out.print(" ");
            s--;
            for (c = 1; c <= 2 * k - 1; c++)
                System.out.print("*");
            System.out.print("\n");
        }

        s = 1;
        
        for (k = 1; k <= x - 1; k++) {
            System.out.print("\t");
            for (c = 1; c <= s; c++)
                System.out.print(" ");
            s++;
            for (c = 1 ; c <= 2 * (x - k) - 1; c++)
                System.out.print("*");
            System.out.print("\n");
        }
    }
}