1 /** 2 * Copyright (c) 2008, 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 ArrayStack(int initSize)23 public ArrayStack(int initSize) { 24 stack = new ArrayList<T>(initSize); 25 } 26 push(T obj)27 public void push(T obj) { 28 stack.add(obj); 29 } 30 pop()31 public T pop() { 32 return stack.remove(stack.size() - 1); 33 } 34 isEmpty()35 public boolean isEmpty() { 36 return stack.isEmpty(); 37 } 38 clear()39 public void clear() { 40 stack.clear(); 41 } 42 } 43