Commit | Line | Data |
---|---|---|
e8b96f44 JB |
1 | |
2 | class Entiers { | |
3 | private int int_array[]; | |
4 | private int array_size; | |
5 | private int current_size; | |
6 | ||
7 | public void setSize(int size) { | |
8 | array_size = size; | |
9 | } | |
10 | ||
11 | public int getSize() { | |
12 | return array_size; | |
13 | } | |
14 | ||
15 | public void setCurrentSize(int index) { | |
16 | current_size = index; | |
17 | } | |
18 | ||
19 | public int getCurrentSize() { | |
20 | return current_size; | |
21 | } | |
22 | ||
23 | Entiers(int size) { | |
24 | int_array = new int[size]; | |
25 | setSize(size); | |
26 | setCurrentSize(0); | |
27 | } | |
28 | ||
29 | public boolean inserer(int value) { | |
30 | if (isFull()) { | |
31 | System.out.println("Tableau plein"); | |
32 | return false; | |
33 | } | |
34 | if (isEmpty()) { | |
35 | int_array[0] = value; | |
36 | current_size++; | |
37 | return true; | |
38 | } else { | |
39 | for (int i = 0; i < getCurrentSize(); i++) { | |
40 | if (int_array[i] == value) { | |
41 | return true; | |
42 | } else if (int_array[i] > value) { | |
43 | for (int j = getCurrentSize(); j > i; j--) { | |
44 | int_array[j] = int_array[j - 1]; | |
45 | } | |
46 | int_array[i] = value; | |
47 | current_size++; | |
48 | return true; | |
49 | } | |
50 | } | |
51 | } | |
52 | /** | |
53 | * The current value to add is > to all elements in the tab. | |
54 | * So add it at the end. | |
55 | */ | |
56 | int_array[getCurrentSize()] = value; | |
57 | current_size++; | |
58 | return true; | |
59 | } | |
60 | ||
61 | private int binarySearch(int first, int last, int value) { | |
62 | if (last < first) | |
63 | //FIXME: should not return an integer | |
64 | return -1; | |
65 | int middle = (first + last) / 2; | |
66 | if (value == int_array[middle]) | |
67 | return middle; | |
68 | else if (value > int_array[middle]) | |
69 | return binarySearch((middle + 1), last, value); | |
70 | return binarySearch(first, (middle -1), value); | |
71 | } | |
72 | ||
73 | public boolean supprimer(int value) { | |
74 | if (isEmpty()) { | |
75 | System.out.println("Aucune valeur à supprimer"); | |
76 | return false; | |
77 | } | |
78 | ||
79 | for (int i = 0; i < getCurrentSize(); i++) { | |
80 | if (int_array[i] == value) { | |
81 | // Deleting the element in the tab | |
82 | for (int j = i; j < getCurrentSize() - 1; j++) { | |
83 | int_array[j] = int_array[j + 1]; | |
84 | } | |
85 | current_size--; | |
86 | return true; | |
87 | } | |
88 | } | |
89 | return true; | |
90 | } | |
91 | ||
92 | private boolean isFull() { | |
93 | return (getCurrentSize() >= getSize()); | |
94 | } | |
95 | ||
96 | private boolean isEmpty() { | |
97 | return (getCurrentSize() == 0); | |
98 | } | |
99 | ||
100 | public void afficher() { | |
101 | String className = this.getClass().getSimpleName(); | |
102 | System.out.println("---- " + className + " ----"); | |
103 | for (int i = 0; i < getCurrentSize(); i++) { | |
104 | System.out.println("element " + i + " " + int_array[i]); | |
105 | } | |
106 | } | |
107 | ||
108 | } |