01: package java.util;
02:
03: public class Stack extends Vector {
04: public Stack() {
05: }
06:
07: public Object push(Object item) {
08: }
09:
10: public synchronized Object pop() {
11: }
12:
13: public synchronized Object peek() {
14: }
15:
16: public synchronized boolean empty() {
17: }
18:
19: public synchronized int search(Object o) {
20: }
21: }
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