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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6. import java.util.function.Consumer;
  7.  
  8. /* Name of the class has to be "Main" only if the class is public. */
  9. class Ideone
  10. {
  11.  public static void main(String[] args)  {
  12.         long now;
  13.  
  14.         now = System.currentTimeMillis();
  15.         foo(new Consumer<String>(){
  16.             @Override
  17.             public void accept(String text) {
  18.             }});
  19.         System.err.println("Elapsed: "+(System.currentTimeMillis()-now)+"ms");
  20.  
  21.  
  22.         now = System.currentTimeMillis();
  23.         foo(text ->  {});
  24.         System.err.println("Elapsed: "+(System.currentTimeMillis()-now)+"ms");
  25.  
  26.     }
  27.  
  28.     static void foo(Consumer<String> consumer) {
  29.         for (int i=0; i<10; i++) {
  30.             try {
  31.                 Thread.sleep(5);
  32.             } catch (InterruptedException ignore) {
  33.                 // sorry this is a test
  34.             }
  35.  
  36.             consumer.accept("");
  37.         }
  38.     }
  39. }
Success #stdin #stdout #stderr 0.1s 35936KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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Elapsed: 51ms
Elapsed: 55ms
https://ideone.com/MRW3Mo
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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