| 1 | import java.util.ArrayList; |
| 2 | import java.util.LinkedList; |
| 3 | import java.util.concurrent.TimeUnit; |
| 4 | |
| 5 | class Main { |
| 6 | |
| 7 | /** |
| 8 | * The main() function |
| 9 | * @param String[] args main() function arguments array |
| 10 | */ |
| 11 | public static void main(String[] args) { |
| 12 | ListExtension<Integer> array = new ListExtension<Integer>(new ArrayList<Integer>()); |
| 13 | ListExtension<Integer> list = new ListExtension<Integer>(new LinkedList<Integer>()); |
| 14 | |
| 15 | for (int i = 0; i < 1000000; i++) { |
| 16 | array.add(i); |
| 17 | list.add(i); |
| 18 | } |
| 19 | |
| 20 | long startTime = System.nanoTime(); |
| 21 | // for (int i = 0; i < 100000; i++) { |
| 22 | // array.add(array.size() / 2, i); |
| 23 | // } |
| 24 | array.addNelements(array.size() / 2, 100000); |
| 25 | long stopTime = System.nanoTime(); |
| 26 | long execTimeArray = stopTime - startTime; |
| 27 | //System.out.println("Insert time in the middle of the ArrayList: " + TimeUnit.NANOSECONDS.toSeconds(execTime) + " s"); |
| 28 | System.out.println("Insert time in the middle of the ArrayList: " + execTimeArray + " ns"); |
| 29 | |
| 30 | startTime = System.nanoTime(); |
| 31 | // for (int i = 0; i < 100000; i++) { |
| 32 | // list.add(list.size() / 2, i); |
| 33 | // } |
| 34 | list.addNelements(list.size() / 2, 100000); |
| 35 | stopTime = System.nanoTime(); |
| 36 | long execTimeLinked = stopTime - startTime; |
| 37 | //System.out.println("Insert time in the middle of the LinkedList: " + TimeUnit.NANOSECONDS.toSeconds(execTime) + " s"); |
| 38 | System.out.println("Insert time in the middle of the LinkedList: " + execTimeLinked + " ns"); |
| 39 | System.out.println("Rapport du temps d'execution ArrayList/LinkedList = " + (execTimeArray / execTimeLinked)); |
| 40 | } |
| 41 | } |