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Vaadin is a web application framework for Rich Internet Applications (RIA). Vaadin enables easy development and maintenance of fast and secure rich web applications with a stunning look and feel and a wide browser support. It features a server-side architecture with the majority of the logic running on the server. Ajax technology is used at the browser-side to ensure a rich and interactive user experience.

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/*
 * Copyright 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 java.util;

/**
 * Abstract interface for maps.
 * 
 * @param  key type.
 * @param  value type.
 */
public interface Map {

  /**
   * Represents an individual map entry.
   */
  public interface Entry {
    boolean equals(Object o);

    K getKey();

    V getValue();

    int hashCode();

    V setValue(V value);
  }

  void clear();

  boolean containsKey(Object key);

  boolean containsValue(Object value);

  Set> entrySet();

  boolean equals(Object o);

  V get(Object key);

  int hashCode();

  boolean isEmpty();

  Set keySet();

  V put(K key, V value);

  void putAll(Map t);

  V remove(Object key);

  int size();

  Collection values();
}