Question

What is abstract class in java

Answer 1

A class that is declared with abstract keyword, is known as abstract class in java. It can have abstract and non-abstract methods (method with body).

Syntax for abstract class:

abstract class A{}  

Example of abstract class that has abstract method :

abstract class Car

{  

abstract void run();  //abstract method

}  

class Hyundi4 extends Car{  

void run()

{

System.out.println("running safely..");

}  

public static void main(String args[]){  

 Car obj = new Hyundi4();  

 obj.run();  

}  

}