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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Ideone
  6. {
  7.   public static void main (String[] args) throws java.lang.Exception
  8.   {
  9.     Integer a1 = 1, a1024 = 1024, b1 = 1, b1024 = 1024;
  10.  
  11.     if (a1 != b1 || a1024 == b1024) {
  12.       System.out.println("Can't detect :(");
  13.     } else if (a1024 == 1024 && b1024 == 1024) {
  14.       System.out.println("Unboxing");
  15.     } else if (a1 == 1 && b1 == 1) {
  16.       System.out.println("Boxing");
  17.     } else {
  18.       System.out.println("Boxing without cache o_O");
  19.     }
  20.   }
  21. }
Success #stdin #stdout 0.07s 2841600KB
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stdin
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Standard input is empty
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Unboxing
https://ideone.com/sEhpKz
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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