1-rasmda berilgan struktura asosida klasslarni yarating display methodini overriding usulida amalga oshiring

1-rasmda berilgan struktura asosida klasslarni yarating. display() methodini overriding usulida amalga oshiring

Rasm : https://eclass.ictschool.uz/pluginfile.php/79282/mod_assign/introattachment/0/task1.png?forcedownload=1

public class Main {

public static void main(String[] args) {
Duck duck = new Duck();
duck.quack();
duck.swim();
MallardDuck mduck = new MallardDuck();
mduck.display();
RedheadDuck rhduck = new RedheadDuck();
rhduck.display();
}
}

public class Duck {

void quack(){System.out.println("O'rdak kvak lay oladi");}
void swim(){System.out.println("O'rdak suza oladi");}
void display(){};
}
public class MallardDuck extends Duck{
@Override
void display() {System.out.println("I o'rdak turi : Mallard");}
}

public class RedheadDuck extends Duck{

@Override
void display() {System.out.println("II o'rdak turi : Red Head");}
}


2-rasmda berilgan struktura asosida klasslarni yarating. sound() methodini overriding usulida amalga oshiring. Barcha hayvonlarning o'ziga xos parametrlarini klass fieldi sifatida bering.

Rasm: https://eclass.ictschool.uz/pluginfile.php/79282/mod_assign/introattachment/0/task2.png?forcedownload=1

public class Main {

public static void main(String[] args) {
Dog dog = new Dog();
dog.sound();
Cat cat = new Cat();
cat.sound();
Duck duck = new Duck();
duck.sound();
}
}
public class Animal {
void sound() {};

}

public class Dog extends Animal{

public String dogSound = "Bow Bow";

@Override
void sound() {System.out.println("Kuchuk "+dogSound+" qila oladi ");
}
}

public class Cat extends Animal{

String catSound = "Meow Meow";

@Override

void sound() {System.out.println("Mushuk "+catSound+" qila oladi");
}
}

String duckSound = "Quack Quack";

@Override
void sound() {System.out.println("O'rdak "+duckSound+" qila oladi");
}
}


3-rasmda berilgan struktura asosida klasslarni yarating. area() va perimeter() methodlarini overriding usulida amalga oshiring.

Rasm: https://eclass.ictschool.uz/pluginfile.php/79282/mod_assign/introattachment/0/task3.png?forcedownload=1

public class Main {

public static void main(String[] args) {
Circle circle = new Circle();
System.out.println("Aylana radiusi: "+ circle.radius);
circle.area();
circle.perimetr();

System.out.println("---------------------------------------");

Triangle tria = new Triangle();
System.out.println("To'g'ri uchburchak I tomoni: "+tria.sideA);
System.out.println("To'g'ri uchburchak II tomoni: "+tria.sideB);
System.out.println("To'g'ri uchburchak gipotenuzasi: "+tria.hipotenuze);
tria.area();
tria.perimetr();

System.out.println("---------------------------------------");

Rectangle rect = new Rectangle();
System.out.println("to'g'ri to'rtburchak I tomoni: "+rect.sideA);
System.out.println("to'g'ri to'rtburchak II tomoni: "+rect.sideB);
rect.area();
rect.perimetr();
}
}

public class Figure {

void area(){};
void perimetr(){};
}

public class Circle extends Figure{

double radius = 30.5;

@Override

void area() {System.out.println("Aylana yuzi: "+ Math.PI * radius * radius);}

@Override

void perimetr() {System.out.println("Aylana perimetri: "+ 2 * Math.PI * radius);}
}

public class Triangle extends Figure{

int sideA = 3;
int sideB = 4;
int hipotenuze = 5;

@Override

void area() {System.out.println("To'g'ri uchburchak yuzi: "+ 0.5 * sideA * sideB);}

@Override

void perimetr() {System.out.println("To'g'ri uchburchak yuzi: "+ sideA + sideB + hipotenuze);}
}

public class Rectangle extends Figure{

int sideA = 15;
int sideB = 14;

@Override

void area() {System.out.println("yuzi: "+sideA * sideB);}

@Override

void perimetr() {System.out.println("perimetri: "+(sideA + sideB)*2);}
}