content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * 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.alibaba.druid;
  
  import junit.framework.TestCase;
  
  import java.util.LinkedHashMap;
  
  public class TestLRU extends TestCase {
      public void test_lru() throws Exception {
          LinkedHashMap<Integer, Object> cache = new LinkedHashMap<Integer, Object>(100, 0.75f, true);
  
          cache.put(2, "22");
          cache.put(3, "33");
  
          System.out.println(cache);
  
          cache.put(2, "22");
  
          System.out.println(cache);
          cache.get(3);
          System.out.println(cache);
      }
  }
  