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Java 1.8+ Library with tons of utility classes required in all projects

There is a newer version: 11.1.10

/*
 * Copyright (C) 2014-2024 Philip Helger (www.helger.com)
 * philip[at]helger[dot]com
 *
 * 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.helger.commons.collection.map;

import java.util.HashMap;

import javax.annotation.Nonnull;

import com.helger.commons.annotation.ReturnsMutableCopy;
import com.helger.commons.collection.impl.CommonsHashMap;

/**
 * Soft {@link HashMap} implementation based on
 * http://www.javaspecialists.eu/archive/Issue015.html

 * The entrySet implementation is from
 * org.hypergraphdb.util

 * Note: {@link SoftHashMap} is NOT serializable!
 *
 * @author Philip Helger
 * @param 
 *        Key type
 * @param 
 *        Value type
 */
public class SoftHashMap  extends AbstractSoftMap 
{
  public SoftHashMap ()
  {
    super (new CommonsHashMap <> ());
  }

  @Nonnull
  @ReturnsMutableCopy
  public SoftHashMap  getClone ()
  {
    final SoftHashMap  ret = new SoftHashMap <> ();
    ret.putAll (this);
    return ret;
  }
}