1 /** 2 * Copyright (c) 2008-2011, 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 17 package org.yaml.snakeyaml.util; 18 19 import java.util.ArrayList; 20 21 public class ArrayStack<T> { 22 private ArrayList<T> stack; 23 24 public ArrayStack(int initSize) { 25 stack = new ArrayList<T>(initSize); 26 } 27 28 public void push(T obj) { 29 stack.add(obj); 30 } 31 32 public T pop() { 33 return stack.remove(stack.size() - 1); 34 } 35 36 public boolean isEmpty() { 37 return stack.isEmpty(); 38 } 39 40 public void clear() { 41 stack.clear(); 42 } 43 }