/* * Copyright (C) 2012 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.inputmethod.latin.utils; import java.util.ArrayList; import java.util.Collections; import java.util.Map; import java.util.TreeMap; public final class CollectionUtils { private CollectionUtils() { // This utility class is not publicly instantiable. } public static ArrayList arrayAsList(final E[] array, final int start, final int end) { if (array == null) { throw new NullPointerException(); } if (start < 0 || start > end || end > array.length) { throw new IllegalArgumentException(); } final ArrayList list = new ArrayList<>(end - start); for (int i = start; i < end; i++) { list.add(array[i]); } return list; } }