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