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 @android.ravenwood.annotation.RavenwoodKeepWholeClass
28 public class Maps {
29     /**
30      * Creates a {@code HashMap} instance.
31      *
32      * @return a newly-created, initially-empty {@code HashMap}
33      */
34     @UnsupportedAppUsage
newHashMap()35     public static <K, V> HashMap<K, V> newHashMap() {
36         return new HashMap<K, V>();
37     }
38 
39     /**
40      * Creates a {@code ArrayMap} instance.
41      */
newArrayMap()42     public static <K, V> ArrayMap<K, V> newArrayMap() {
43         return new ArrayMap<K, V>();
44     }
45 }
46