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Guava is a suite of core and expanded libraries that include utility classes, google's collections, io classes, and much much more. This project is a complete packaging of all the Guava libraries into a single jar. Individual portions of Guava can be used by downloading the appropriate module and its dependencies. Guava (complete) has only one code dependency - javax.annotation, per the JSR-305 spec.

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/*
 * Copyright (C) 2007 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.common.base;

import java.nio.charset.Charset;

/**
 * Contains constant definitions for the six standard {@link Charset} instances, which are
 * guaranteed to be supported by all Java platform implementations.
 *
 * @author Mike Bostock
 * @since 1
 */
public final class Charsets {
  private Charsets() {}

  /**
   * US-ASCII: seven-bit ASCII, a.k.a. ISO646-US, a.k.a the Basic Latin block of the Unicode
   * character set.
   */
  public static final Charset US_ASCII = Charset.forName("US-ASCII");

  /**
   * ISO-8859-1. ISO Latin Alphabet No. 1, a.k.a. ISO-LATIN-1.
   */
  public static final Charset ISO_8859_1 = Charset.forName("ISO-8859-1");

  /**
   * UTF-8: eight-bit UCS Transformation Format.
   */
  public static final Charset UTF_8 = Charset.forName("UTF-8");

  /**
   * UTF-16BE: sixteen-bit UCS Transformation Format, big-endian byte order.
   */
  public static final Charset UTF_16BE = Charset.forName("UTF-16BE");

  /**
   * UTF-16LE: sixteen-bit UCS Transformation Format, little-endian byte order.
   */
  public static final Charset UTF_16LE = Charset.forName("UTF-16LE");

  /**
   * UTF-16: sixteen-bit UCS Transformation Format, byte order identified by an optional byte-order
   * mark.
   */
  public static final Charset UTF_16 = Charset.forName("UTF-16");

  /*
   * Please do not add new Charset references to this class, unless those character encodings are
   * part of the set required to be supported by all Java platform implementations! Any Charsets
   * initialized here may cause unexpected delays when this class is loaded. See the Charset
   * Javadocs for the list of built-in character encodings.
   */
}