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1
7
8 package java.util;
9
10
52
53 public abstract class AbstractSequentialList<E> extends AbstractList  <E> {
54
58 protected AbstractSequentialList() {
59 }
60
61
73 public E get(int index) {
74 ListIterator <E> e = listIterator(index);
75 try {
76 return(e.next());
77 } catch(NoSuchElementException exc) {
78 throw(new IndexOutOfBoundsException ("Index: "+index));
79 }
80 }
81
82
110 public E set(int index, E element) {
111 ListIterator <E> e = listIterator(index);
112 try {
113 E oldVal = e.next();
114 e.set(element);
115 return oldVal;
116 } catch(NoSuchElementException exc) {
117 throw(new IndexOutOfBoundsException ("Index: "+index));
118 }
119 }
120
121
148 public void add(int index, E element) {
149 ListIterator <E> e = listIterator(index);
150 e.add(element);
151 }
152
153
172 public E remove(int index) {
173 ListIterator <E> e = listIterator(index);
174 E outCast;
175 try {
176 outCast = e.next();
177 } catch(NoSuchElementException exc) {
178 throw(new IndexOutOfBoundsException ("Index: "+index));
179 }
180 e.remove();
181 return(outCast);
182 }
183
184
185
187
227 public boolean addAll(int index, Collection <? extends E> c) {
228 boolean modified = false;
229 ListIterator <E> e1 = listIterator(index);
230 Iterator <? extends E> e2 = c.iterator();
231 while (e2.hasNext()) {
232 e1.add(e2.next());
233 modified = true;
234 }
235 return modified;
236 }
237
238
239
241
249 public Iterator <E> iterator() {
250 return listIterator();
251 }
252
253
262 public abstract ListIterator <E> listIterator(int index);
263 }
264 |
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