Undecided
1 package org.spring.ds.aRraystack;
2
3 / **
4 * Created by Intellij Idea.
5 * User: chunyang
6 * Date: 2003-6-20
7 * Time: 15:35:22
8 * develop with pleasure !.
9 * Array Based Stack Class
10 * /
11 public class myarraystack {
12 // Array Holding Stack Objects
13 protected object [] array;
14 // Index for Top Object
15 protected int top;
16
17 public myaarraystack (int size) {
18 array = new object [size];
19 TOP = -1;
20}
twenty one
22 public boolean iSempty () {
23 returnit == -1;
twenty four }
25 / **
26 * Push Object Onto Stack
27 * @Param O
28 * /
29 Public Void Push (Object Obj) {
30 IF (TOP 1 31 Array [ TOP] = OBJ; 32} 33 34 / ** 35 * POP Object from top of stack 36 * @return 37 * / 38 Public Object Pop () { 39 IF (ISEMPTY ()) 40 Return NULL; 41 Return Array [TOP -]; 42} 43 44 45 / ** 46 * Remove All Objects from stack 47 * / 48 public void clear () { 49 TOP = -1; 50} 51} // Class MyArrayStack 52
