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  1. import java.lang.reflect.*;
  2.  
  3. class Foo {
  4. private final String bar;
  5.  
  6.     public Foo(String bar) {
  7.         this.bar = bar;
  8.     }
  9.  
  10.     public String getBar() {
  11.         return this.bar;
  12.     }
  13.  
  14. }
  15.  
  16. public class Main {
  17.  
  18.     public static void main(String[] args) {
  19.         Foo foo = new Foo("foobar");
  20.         System.out.println(foo.getBar());
  21.  
  22.         try {
  23.             Field field = foo.getClass().getDeclaredField("bar");
  24.             field.setAccessible(true);
  25. 			field.set(foo, "baz");
  26.         } catch (Exception e) {
  27.             e.printStackTrace();    
  28.         }
  29.  
  30.         System.out.println(foo.getBar());
  31.     }
  32.  
  33. }
Success #stdin #stdout 0.08s 40976KB
comments (?)
stdin 
Standard input is empty
stdout 
foobar
baz
https://ideone.com/1RvmS9
language:
Java (HotSpot 12)
created:
2 years ago
visibility:
secret

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