abstraction
/**
* abstraction
*/
public class abstraction {
public static void main(String[] args) {
dog d= new dog();
chicken c=new chicken();
d.eat();
d.walks();
c.eat();
c.walks();
}
}
abstract class Animal{
void eat(){
System.out.println("eats..");
}
abstract void walks();
}
class dog extends Animal{
void walks(){
System.out.println("Walks on 4 legs");
}
}
class chicken extends Animal{
void walks(){
System.out.println("Walks on 2 legs");
}
}
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