1 /*
2  * Copyright (C) 2023 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 android.util;
18 
19 import android.annotation.NonNull;
20 
21 /**
22  * Empty array is immutable. Use a shared empty array to avoid allocation.
23  *
24  * @hide
25  */
26 @android.ravenwood.annotation.RavenwoodKeepWholeClass
27 public final class EmptyArray {
EmptyArray()28     private EmptyArray() {}
29 
30     public static final @NonNull boolean[] BOOLEAN = new boolean[0];
31     public static final @NonNull byte[] BYTE = new byte[0];
32     public static final @NonNull char[] CHAR = new char[0];
33     public static final @NonNull double[] DOUBLE = new double[0];
34     public static final @NonNull float[] FLOAT = new float[0];
35     public static final @NonNull int[] INT = new int[0];
36     public static final @NonNull long[] LONG = new long[0];
37     public static final @NonNull Object[] OBJECT = new Object[0];
38     public static final @NonNull String[] STRING = new String[0];
39 }
40