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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.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		long inicioCriando = System.currentTimeMillis();
  13.  
  14. 		new Thread(() -> {
  15. 			long inicio = System.currentTimeMillis();
  16.  
  17. 			for(int i=0;i<100000000;) {
  18. 				i++;	
  19. 			}
  20.  
  21. 			long fim = System.currentTimeMillis();
  22.  
  23. 			System.out.println("Rodando lambda: " + (fim-inicio) / 1000f);
  24. 		}).start();
  25.  
  26. 		long fimCriando = System.currentTimeMillis();
  27.  
  28. 		System.out.println("Criando lambda: " + (fimCriando-inicioCriando) / 1000f);
  29.  
  30. 		inicioCriando = System.currentTimeMillis();
  31.  
  32. 		Runnable r = new Runnable(){
  33. 			public void run(){
  34. 				long inicio = System.currentTimeMillis();
  35.  
  36. 				for(int i=0;i<100000000;) {
  37. 					i++;	
  38. 				}
  39.  
  40. 				long fim = System.currentTimeMillis();
  41.  
  42. 				System.out.println("Rodando Runnable anônimo: " + (fim-inicio) / 1000f);
  43. 			}
  44. 		};
  45.  
  46. 		new Thread(r).start();
  47.  
  48. 		fimCriando = System.currentTimeMillis();
  49.  
  50. 		System.out.println("Criando Runnable anônimo: " + (fimCriando-inicioCriando) / 1000f);
  51. 	}
  52. }
Success #stdin #stdout 0.12s 36476KB
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stdin
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Standard input is empty
stdout
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Criando lambda: 0.009
Rodando lambda: 0.004
Criando Runnable anônimo: 0.001
Rodando Runnable anônimo: 0.003
https://ideone.com/36wEdq
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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