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  1. public class Main {
  2.  
  3.     public Main() {
  4.         Runtime.getRuntime().addShutdownHook(
  5.             new Thread(
  6.                 new Runnable() {
  7.                     public void run() {
  8.                         try {
  9.                             close();
  10.                         } catch (Throwable e) {
  11.                             System.out.println(e);
  12.                         }
  13.                     }
  14.             })
  15.         );
  16.     }
  17.  
  18.     public static void main(String[] args) {
  19.         System.out.println("Enter main");
  20.         Main m = new Main();
  21.         m = new Main();
  22.         m = null;
  23.         System.out.println("Before System.exit(0);");
  24.         System.exit(0);
  25.     }
  26.  
  27.     protected void finalize() {
  28.         System.out.println("Call finalize()");
  29.     }
  30.  
  31.     protected void close() {
  32.         finalize();
  33.     }
  34. }
Success #stdin #stdout 0.12s 321216KB
comments (?)
stdin
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Standard input is empty
stdout
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Enter main
Before System.exit(0);
Call finalize()
Call finalize()
https://ideone.com/48o7SG
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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