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  1. abstract class Vehicle {
  2.     abstract void start(); // Abstract method (no body)
  3. }
  4.  
  5. class Car extends Vehicle {
  6.     void start() {
  7.         System.out.println("Car starts with a key.");
  8.     }
  9. }
  10.  
  11. public class Main {
  12.     public static void main(String[] args) {
  13.         Vehicle myCar = new Car();
  14.         myCar.start(); // Output: Car starts with a key.
  15.     }
  16. }
Success #stdin #stdout 0.07s 54548KB
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stdin
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Standard input is empty
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Car starts with a key.
https://ideone.com/39CWu5
language:
Java (HotSpot 12)
created:
1 day ago
visibility:
public

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