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1
16 package java.util;
17
18
23 public class Vector extends AbstractList  implements List , RandomAccess ,
24 Cloneable {
25
26 private transient ArrayList arrayList;
27
28 public Vector() {
29 arrayList = new ArrayList ();
30 }
31
32 public Vector(Collection c) {
33 arrayList = new ArrayList ();
34 addAll(c);
35 }
36
37
42 public Vector(int initialCapacity) {
43 arrayList = new ArrayList (initialCapacity);
44 }
45
46 public void add(int index, Object o) {
47 arrayList.add(index, o);
48 }
49
50 public boolean add(Object o) {
51 return arrayList.add(o);
52 }
53
54 public boolean addAll(Collection c) {
55 return arrayList.addAll(c);
56 }
57
58 public boolean addAll(int index, Collection c) {
59 return arrayList.addAll(index, c);
60 }
61
62 public void addElement(Object o) {
63 add(o);
64 }
65
66 public void clear() {
67 arrayList.clear();
68 }
69
70 public Object clone() {
71 return new Vector (this);
72 }
73
74 public boolean contains(Object elem) {
75 return arrayList.contains(elem);
76 }
77
78 public void copyInto(Object [] objs) {
79 int i = -1;
80 int n = size();
81 while (++i < n) {
82 objs[i] = get(i);
83 }
84 }
85
86 public Object elementAt(int index) {
87 return get(index);
88 }
89
90 public Object firstElement() {
91 return get(0);
92 }
93
94 public Object get(int index) {
95 return arrayList.get(index);
96 }
97
98 public int indexOf(Object elem) {
99 return arrayList.indexOf(elem);
100 }
101
102 public int indexOf(Object elem, int index) {
103 return arrayList.indexOf(elem, index);
104 }
105
106 public void insertElementAt(Object o, int index) {
107 add(index, o);
108 }
109
110 public boolean isEmpty() {
111 return (arrayList.size() == 0);
112 }
113
114 public Iterator iterator() {
115 return arrayList.iterator();
116 }
117
118 public Object lastElement() {
119 if (isEmpty()) {
120 throw new IndexOutOfBoundsException ("last");
121 } else {
122 return get(size() - 1);
123 }
124 }
125
126 public int lastIndexOf(Object o) {
127 return arrayList.lastIndexOf(o);
128 }
129
130 public int lastIndexOf(Object o, int index) {
131 return arrayList.lastIndexOf(o, index);
132 }
133
134 public Object remove(int index) {
135 return arrayList.remove(index);
136 }
137
138 public void removeAllElements() {
139 clear();
140 }
141
142 public boolean removeElement(Object o) {
143 return remove(o);
144 }
145
146 public void removeElementAt(int index) {
147 remove(index);
148 }
149
150 public Object set(int index, Object elem) {
151 return arrayList.set(index, elem);
152 }
153
154 public void setElementAt(Object o, int index) {
155 set(index, o);
156 }
157
158 public void setSize(int size) {
159 arrayList.setSize(size);
160 }
161
162 public int size() {
163 return arrayList.size();
164 }
165
166 public Object [] toArray() {
167 return arrayList.toArray();
168 }
169
170 protected void removeRange(int fromIndex, int endIndex) {
171 arrayList.removeRange(fromIndex, endIndex);
172 }
173 }
174
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