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  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. new Child();
  13. }
  14.  
  15. public static class Father {
  16. public String field = ":)";
  17. protected String property = "FromFatherClass";
  18. protected int id = 1;
  19. }
  20. public static class Child extends Father {
  21. public Child(){
  22. System.out.println(filed + " " + property + " -> " + id);
  23. }
  24. }
  25. }
Compilation error #stdin compilation error #stdout 0.1s 320576KB
stdin
Standard input is empty
compilation info
Main.java:22: error: cannot find symbol
			System.out.println(filed + " " + property + " -> " + id);
			                   ^
  symbol:   variable filed
  location: class Child
1 error
stdout
Standard output is empty