Different Java class examples for practice

  Different Java class examples for practice

Classes  like:

 Student , Rectangle ,  Car , Dog , Book , BankAccount ,  Product ,  Address, Ticket , Team.

1.

class Student {

    String name;

int age;

voiddisplayInfo() {

System.out.println("Name: " + name);

System.out.println("Age: " + age);

    }

}

public class StudentExample {

public static void main(String[] args) {

        Student s = new Student();

        s.name = "John";

s.age = 20;

s.displayInfo();

    }

}

2.

class Rectangle {

double width;

double height;

doublecalculateArea() {

return width * height;

    }

}

public class RectangleExample {

public static void main(String[] args) {

        Rectangle r = new Rectangle();

r.width = 4.0;

r.height = 6.0;

System.out.println("Area of rectangle: " + r.calculateArea());

    }

}

3.

class Car {

    String make;

    String model;

voiddisplayInfo() {

System.out.println("Make: " + make);

System.out.println("Model: " + model);

    }

}

public class CarExample {

public static void main(String[] args) {

        Car car = new Car();

car.make = "Toyota";

car.model = "Corolla";

car.displayInfo();

    }

}

4.

class Dog {

    String name;

    String breed;

voiddisplayInfo() {

System.out.println("Name: " + name);

System.out.println("Breed: " + breed);

    }

}

public class DogExample {

public static void main(String[] args) {

        Dog dog = new Dog();

        dog.name = "Buddy";

dog.breed = "Golden Retriever";

dog.displayInfo();

    }

}

5.

class Book {

    String title;

    String author;

voiddisplayInfo() {

System.out.println("Title: " + title);

System.out.println("Author: " + author);

    }

}

public class BookExample {

public static void main(String[] args) {

        Book book = new Book();

book.title = "The Great Gatsby";

book.author = "F. Scott Fitzgerald";

book.displayInfo();

    }

}

6.

class   BankAccount {

    String accountNumber;

double balance;

voiddisplayBalance() {

System.out.println("Balance: $" + balance);

    }

}

public class BankAccountExample {

public static void main(String[] args) {

BankAccount account = new BankAccount();

account.accountNumber = "123456789";

account.balance = 1000.0;

account.displayBalance();

    }

}

7.

class Product {

    String name;

double price;

voiddisplayInfo() {

System.out.println("Product: " + name);

System.out.println("Price: $" + price);

    }

}

public class ProductExample {

public static void main(String[] args) {

        Product product = new Product();

        product.name = "Laptop";

product.price = 800.0;

product.displayInfo();

    }

}

8.

class Address {

    String street;

    String city;

voiddisplayInfo() {

System.out.println("Street: " + street);

System.out.println("City: " + city);

    }

}

public class AddressExample {

public static void main(String[] args) {

        Address address = new Address();

address.street = "123 Main St";

address.city = "New York";

address.displayInfo();

    }

}

9.

class Ticket {

intticketNumber;

    String eventName;

    String ticketType;

doubleticketPrice;

public Ticket(int number, String event, String type, double price) {

ticketNumber = number;

eventName = event;

ticketType = type;

ticketPrice = price;

    }

public void displayTicketInfo() {

System.out.println("Ticket Number: " + ticketNumber);

System.out.println("Event Name: " + eventName);

System.out.println("Ticket Type: " + ticketType);

System.out.println("Ticket Price: $" + ticketPrice);

    }

}

public class TicketApplication {

public static void main(String[] args) {

        Ticket regularTicket = new Ticket(101, "Concert", "Regular", 50.0);

        Ticket vipTicket = new Ticket(102, "Sports Game", "VIP", 100.0);

System.out.println("Regular Ticket Info:");

regularTicket.displayTicketInfo();

System.out.println();

System.out.println("VIP Ticket Info:");

vipTicket.displayTicketInfo();

    }

}

10.

class Team {

    String teamName;

Player[] players;

Team(String teamName, Player[] players) {

this.teamName = teamName;

this.players = players;

    }

voiddisplayTeamInfo() {

System.out.println("Team Name: " + teamName);

System.out.println("Players:");

for (Player player : players) {

player.displayInfo();

        }

    }

}