fork download 
  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		A a = new B();
  13. 		C c = (C) a;
  14. 	}
  15.  
  16.  
  17. 	static class A{}
  18. 	static class B extends A{}
  19. 	static class C extends A{}
  20. }
  21.  
  22.  
  23.  
Runtime error #stdin #stdout #stderr 0.08s 47060KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
Exception in thread "main" java.lang.ClassCastException: class Ideone$B cannot be cast to class Ideone$C (Ideone$B and Ideone$C are in unnamed module of loader 'app')
	at Ideone.main(Main.java:13)
https://ideone.com/tOO2UZ
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!