fork download
copy 
  1. import java.util.*;
  2. import java.lang.*;
  3.  
  4. class Base{
  5.     protected int x;
  6.     protected void m(){
  7.        x++;
  8.     }
  9.  
  10.     protected void n(){
  11.       x++;      // <- defect 
  12.       m();
  13.     }
  14. }
  15.  
  16.  
  17. class Sub extends Base{
  18.     protected void m(){
  19.         n();
  20.     }
  21.     public void print() {
  22.         m();
  23.         System.out.println(x);
  24.     }
  25. }
  26.  
  27. class Main
  28. {
  29. 	public static void main (String[] args) throws java.lang.Exception
  30. 	{
  31. 	    Sub sub = new Sub();
  32.         sub.print();
  33. 	}
  34. }
Runtime error #stdin #stdout 0.11s 380544KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/Y8wLm0
language:
Java (12.0.1)
created:
12 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!