fork(1) download
copy 
  1. import java.util.*;
  2.  
  3. class Ideone {
  4. 	public static List<Integer> wtf() {
  5. 		List<Integer> forty_two = new ArrayList<Integer>();
  6. 		forty_two.add(42);
  7.  
  8. 		try {
  9. 			System.out.println("trying to return: " + forty_two);
  10. 			return forty_two;
  11. 		}
  12. 		catch(Exception e) {
  13. 			System.out.println(e.toString());
  14. 		}
  15. 		finally {
  16. 			forty_two.clear();
  17.  
  18. 			System.out.println("actually returning: " + forty_two);
  19. 			return forty_two;
  20. 		}
  21. 	}
  22.  
  23. 	public static List<Integer> wtfff() {
  24. 		List<Integer> forty_two = new ArrayList<Integer>();
  25. 		forty_two.add(42);
  26.  
  27. 		List<Integer> twenty_three = new ArrayList<Integer>();
  28. 		twenty_three.add(23);
  29.  
  30. 		try {
  31. 			System.out.println("trying to return: " + forty_two);
  32. 			return forty_two;
  33. 		}
  34. 		catch(Exception e) {
  35. 			System.out.println(e.toString());
  36. 		}
  37. 		finally {
  38. 			System.out.println("actually returning: " + twenty_three);
  39. 			return twenty_three;
  40. 		}
  41. 	}
  42.  
  43. 	public static void main(String[] args) {
  44. 		System.out.println("'finally' can modify a variable being returned inside a 'try' block:");
  45. 		wtf();
  46.  
  47. 		System.out.println();
  48.  
  49. 		System.out.println("'finally' can also change which variable is actually returned:");
  50. 		wtfff();
  51. 	}
  52. }
Success #stdin #stdout 0.1s 35896KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
'finally' can modify a variable being returned inside a 'try' block:
trying to return: [42]
actually returning: []

'finally' can also change which variable is actually returned:
trying to return: [42]
actually returning: [23]
https://ideone.com/h23p7f
language:
Java (HotSpot 12)
created:
4 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!