1 /**
2 * Copyright (c) 2008-2012, http://www.snakeyaml.org
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.yaml.snakeyaml.util;
17
18 import java.util.ArrayList;
19
20 public class ArrayStack<T> {
21 private ArrayList<T> stack;
22
23 public ArrayStack(int initSize) {
24 stack = new ArrayList<T>(initSize);
25 }
26
27 public void push(T obj) {
28 stack.add(obj);
29 }
30
31 public T pop() {
32 return stack.remove(stack.size() - 1);
33 }
34
35 public boolean isEmpty() {
36 return stack.isEmpty();
37 }
38
39 public void clear() {
40 stack.clear();
41 }
42 }