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Using run-time polymorphism in Java
A single action can be performed in multiple ways using the concept of polymorphism. Run-time polymorphism can be performed by method overriding. The overridden method in this is resolved at compile time.
A program that demonstrates run-time polymorphism in Java is given as follows:
Example
class Animal {
void sound() {
System.out.println("Animal makes sound");
}
}
class Cat extends Animal {
void sound() {
System.out.println("Cat Meows");
}
}
class Dog extends Animal {
void sound() {
System.out.println("Dog Barks");
}
}
class Cow extends Animal {
void sound() {
System.out.println("Cow Moos");
}
}
public class Demo {
public static void main(String[] args) {
Animal a;
a = new Cat();
a.sound();
a = new Dog();
a.sound();
a = new Cow();
a.sound();
}
}Output
Cat Meows Dog Barks Cow Moos
Updated on: 30-Jul-2019
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