Hw 4 ans

import java.util.Scanner;

public class Patterns {

    // Main method to test the functionality of the patterns
    public static void main(String[] args) {
        // Call method to print design patterns
        printPatterns();

        // Call method to print horizontal bars
        printHorizontalBars();

        // Call method to print vertical bars
        printVerticalBars();
    } // end main

    // Method to print various patterns using nested loops
    public static void printPatterns() {
        System.out.println("printPatterns() method called....");
        
        // First pattern
        for (int row = 1; row <= 8; row++) {
            for (int col = 1; col <= 8; col++) {
                if (row + col <= 9) {
                    System.out.print("# ");
                } else {
                    System.out.print("  ");
                }
            }
            System.out.println(); // Move to next line after each row
        }
        
        // Second pattern
        for (int row = 1; row <= 8; row++) {
            for (int col = 1; col <= 8; col++) {
                if (row <= 9 - col) {
                    System.out.print("# ");
                } else {
                    System.out.print("  ");
                }
            }
            System.out.println(); // Move to next line after each row
        }

        // Third pattern
        for (int row = 1; row <= 8; row++) {
            for (int col = 1; col <= 8; col++) {
                if (row == 1 || row == 8 || col == 1 || col == 8) {
                    System.out.print("# ");
                } else if (row == col) {
                    System.out.print("# ");
                } else {
                    System.out.print("  ");
                }
            }
            System.out.println(); // Move to next line after each row
        }

        // Fourth pattern
        for (int row = 1; row <= 8; row++) {
            for (int col = 1; col <= 8; col++) {
                if (row == 1 || row == 8 || col == 1 || col == 8 || row + col == 9) {
                    System.out.print("# ");
                } else {
                    System.out.print("  ");
                }
            }
            System.out.println(); // Move to next line after each row
        }
    }

    // Method to print horizontal bars based on user input
    public static void printHorizontalBars() {
        Scanner sc = new Scanner(System.in);
        int num1, num2, num3, num4;

        System.out.println("printHorizontalBars() method called....");
        System.out.println("Enter four integers:");

        // Read the numbers from the keyboard
        num1 = sc.nextInt();
        num2 = sc.nextInt();
        num3 = sc.nextInt();
        num4 = sc.nextInt();

        // Print the horizontal bars
        printStars(num1);
        printStars(num2);
        printStars(num3);
        printStars(num4);
    }

    // Helper method to print a given number of stars
    private static void printStars(int count) {
        for (int i = 0; i < count; i++) {
            System.out.print("* ");
        }
        System.out.println(); // Move to next line after printing stars
    }

    // Method to print vertical bars based on user input
    public static void printVerticalBars() {
        Scanner sc = new Scanner(System.in);
        int num1, num2, num3, num4;

        System.out.println("printVerticalBars() method called....");
        System.out.println("Enter four integers:");

        // Read the numbers from the keyboard
        num1 = sc.nextInt();
        num2 = sc.nextInt();
        num3 = sc.nextInt();
        num4 = sc.nextInt();

        // Find the maximum number of stars in any column
        int max = Math.max(num1, Math.max(num2, Math.max(num3, num4)));

        // Print the vertical bars
        for (int i = max; i > 0; i--) {
            if (i <= num1) System.out.print("** ");
            else System.out.print("   ");
            
            if (i <= num2) System.out.print("** ");
            else System.out.print("   ");
            
            if (i <= num3) System.out.print("** ");
            else System.out.print("   ");
            
            if (i <= num4) System.out.print("** ");
            else System.out.print("   ");
            
            System.out.println(); // Move to the next line after each level
        }

        // Print the row of dashes
        System.out.println("------------------------------");
    }
}