?? objects.java
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/* * Copyright (C) 2007 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.internal.util;/** * Object utility methods. */public class Objects { /** * Ensures the given object isn't {@code null}. * * @return the given object * @throws NullPointerException if the object is null */ public static <T> T nonNull(T t) { if (t == null) { throw new NullPointerException(); } return t; } /** * Ensures the given object isn't {@code null}. * * @return the given object * @throws NullPointerException if the object is null */ public static <T> T nonNull(T t, String message) { if (t == null) { throw new NullPointerException(message); } return t; }}
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