fork download
copy 
  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7.  class BrokenEncapsulationTest {
  8.  
  9.   public void testAddCount() {
  10.     InstrumentedHashSet<String> set = new InstrumentedHashSet<String>();
  11.  
  12.     set.addAll(Arrays.asList("Snap", "Crackle", "Pop"));
  13.  
  14.     if(3 == set.addCount) System.out.println("Yeh fuck yeh");
  15.     else System.out.println(set.addCount);
  16.     //assertEquals(3, set.addCount);
  17.   }
  18.  
  19.   public static class InstrumentedHashSet<E> extends HashSet<E> {
  20.  
  21.     public int addCount = 0;
  22.  
  23.     @Override
  24.     public boolean add(E a) {
  25.       addCount += 1;
  26.       return super.add(a);
  27.     };
  28.  
  29.     @Override
  30.     public boolean addAll(Collection<? extends E> c) {
  31.       addCount += c.size();
  32.       return super.addAll(c);
  33.     }
  34.   }
  35. }
  36.  
  37. /* Name of the class has to be "Main" only if the class is public. */
  38. class Ideone
  39. {
  40. 	public static void main (String[] args) throws java.lang.Exception
  41. 	{
  42. 		// your code goes here
  43. 		BrokenEncapsulationTest a = new BrokenEncapsulationTest();
  44. 		a.testAddCount();
  45. 	}
  46. }
Success #stdin #stdout 0.07s 380224KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
6
https://ideone.com/UdUU9m
language:
Java (12.0.1)
created:
9 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!