1 /* 2 * Copyright (C) 2007 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 package com.google.android.collect; 18 19 import android.compat.annotation.UnsupportedAppUsage; 20 import android.util.ArrayMap; 21 22 import java.util.HashMap; 23 24 /** 25 * Provides static methods for creating mutable {@code Maps} instances easily. 26 */ 27 public class Maps { 28 /** 29 * Creates a {@code HashMap} instance. 30 * 31 * @return a newly-created, initially-empty {@code HashMap} 32 */ 33 @UnsupportedAppUsage newHashMap()34 public static <K, V> HashMap<K, V> newHashMap() { 35 return new HashMap<K, V>(); 36 } 37 38 /** 39 * Creates a {@code ArrayMap} instance. 40 */ newArrayMap()41 public static <K, V> ArrayMap<K, V> newArrayMap() { 42 return new ArrayMap<K, V>(); 43 } 44 } 45