This is a simple Java-based program that manages a collection of dishes in a restaurant. The program allows users to add, remove, display, search, and update dish details like price and rating.

• Add a Dish: Add a new dish to the collection with a name, price, and rating.
• Remove a Dish: Remove a dish from the collection by its name.
• Display All Dishes: Show all dishes in the collection with their details.
• Display Dishes by Price: Filter and display dishes based on a specified price.
• Display Dishes by Ratings: Filter and display dishes based on a specified rating.
• Search Dish by Name: Search for a dish by its name and display its details.
• Update Dish Details: Update the price and rating of an existing dish.

• String dishName: Name of the dish.
• double price: Price of the dish.
• int rating: Rating of the dish (out of 5).

• Dish(String dishName, double price): Creates a dish with a specified name and price, with a default rating of 3.
• Dish(String dishName, double price, int rating): Creates a dish with the specified name, price, and rating.

• String getDishName(): Returns the name of the dish.
• double getPrice(): Returns the price of the dish.
• int getRating(): Returns the rating of the dish.
• void setDishName(String dishName): Updates the name of the dish.
• void setPrice(double price): Updates the price of the dish.
• void setRating(int rating): Updates the rating of the dish.
• String toString(): Returns a string representation of the dish, including its name, price, and rating.

• ArrayList<Dish> dishes: A collection that holds multiple Dish objects.

• DishCollection(): Initializes an empty collection of dishes.

• void addDish(Dish dish): Adds a new dish to the collection.
• void removeDish(String dishName): Removes a dish from the collection based on its name.
• void displayDish(): Displays all dishes currently in the collection.
• void displayDishByPrice(double price): Displays all dishes that match the specified price.
• void displayDishByRatings(int rating): Displays all dishes that match the specified rating.
• void searchDishByName(String dishName): Searches for a dish by its name and displays its details.
• void updateDish(String dishName, double newPrice, int newRating): Updates the price and rating of an existing dish based on its name.

Contributions are welcome! If you have any suggestions or find any issues, feel free to submit a pull request or open an issue.