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Explore the source code of the class $Gson$Preconditions.java

/*
 * Copyright (C) 2008 Google Inc.
 *
 * 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.google.gson.internal;

/**
 * A simple utility class used to check method Preconditions.
 *
 * 
 * public long divideBy(long value) {
 *   Preconditions.checkArgument(value != 0);
 *   return this.value / value;
 * }
 * 
* * @author Inderjeet Singh * @author Joel Leitch */ public final class $Gson$Preconditions { private $Gson$Preconditions() { throw new UnsupportedOperationException(); } public static T checkNotNull(T obj) { if (obj == null) { throw new NullPointerException(); } return obj; } public static void checkArgument(boolean condition) { if (!condition) { throw new IllegalArgumentException(); } } }