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  1. package main;
  2.  
  3. import java.io.BufferedReader;
  4. import java.io.FileNotFoundException;
  5. import java.io.FileReader;
  6. import java.io.IOException;
  7. import java.math.BigInteger;
  8. import java.util.ArrayList;
  9. import java.util.List;
  10. import java.util.Scanner;
  11.  
  12. public class Main {
  13.  
  14. 	public static void main(String[] args) throws IOException {
  15.  
  16. 		final int NUM_ITEMS = 1000000;
  17.  
  18. 		List<Integer> list = new ArrayList<>(NUM_ITEMS);
  19.  
  20. 		{
  21. //			Integer[] intArray = new Integer[NUM_ITEMS];
  22. //			for (int i = 0; i < NUM_ITEMS; ++i) {
  23. //				intArray[i] = i;
  24. //			}
  25.  
  26. 			// Insert
  27. 			long tStart = System.currentTimeMillis();
  28. 			for (int i = 0; i < NUM_ITEMS; ++i) {
  29. 				list.add(i);
  30. 				//list.add(intArray[i]);
  31. 			}
  32. 			long tEnd = System.currentTimeMillis();
  33.  
  34. 			System.out.println("Insert dt:" + (tEnd - tStart));
  35. 		}
  36.  
  37.  
  38. 		{
  39. 			// Read
  40. 			long sum = 0;
  41. 			long tStart = System.currentTimeMillis();
  42. 			for (int i = 0; i < NUM_ITEMS; ++i) {
  43. 				sum += list.get(i);
  44. 			}
  45. 			long tEnd = System.currentTimeMillis();
  46.  
  47. 			System.out.println("Read dt:" + (tEnd - tStart));
  48. 			System.out.println("Read sum: " + sum);
  49. 		}
  50.  
  51. 	}
  52. }
  53.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
Main.java:18: illegal start of type
		List<Integer> list = new ArrayList<>(NUM_ITEMS);
		                                   ^
1 error
stdout
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Standard output is empty
https://ideone.com/lXy6D
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
public

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