1 /* 2 * Copyright (C) 2014 The Android Open Source Project 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 public class Main { 18 private Object[] data; 19 private int size; 20 Main()21 public Main() { 22 data = new Object[4]; 23 size = 0; 24 } 25 removeElementAt(int index)26 public void removeElementAt(int index) { 27 for (int i = index; i < size - 1; i++) { 28 data[i] = data[i + 1]; 29 } 30 data[--size] = null; 31 } 32 main(String[] args)33 public static void main(String[] args) { 34 Main main = new Main(); 35 main.size++; 36 main.removeElementAt(0); 37 if (main.size != 0) { 38 throw new Error("Unexpected size"); 39 } 40 } 41 } 42