when to use abstract classes and interfaces in java code example
Example 1: abstract class example in java
abstract class Animal{
public abstract void sound();
}
public class Dog extends Animal{
public void sound(){
System.out.println("Woof");
}
public static void main(String args[]){
Animal obj = new Dog();
obj.sound();
}
}
Example 2: how to use an abstract class in java
interface methods{
public void hey();
public void bye();
}
abstract class other implements methods{
public void hey(){
System.out.println("Hey");
}
}
class scratch implements methods {
public void hey(){
System.out.println("Hey");
}
public void bye() {
System.out.println("Hey");
}
}