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  1. import java.lang.reflect.Field;
  2.  
  3. public class Main {
  4.     public static void main(String[] args) throws Exception {
  5.         Class cache = Integer.class.getDeclaredClasses()[0];
  6.         Field c = cache.getDeclaredField("cache");
  7.         c.setAccessible(true);
  8.         Integer[] array = (Integer[]) c.get(cache);
  9.         array[132] = array[133];
  10.  
  11. 		Integer a = 4;
  12. 		Integer b = 5;
  13.  
  14.         System.out.println(a.equals(b));
  15.     }
  16. }
  17.  
Success #stdin #stdout 0.07s 380160KB
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https://ideone.com/CjtOWp
language:
Java (12.0.1)
created:
11 years ago
visibility:
secret

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