import java.util.LinkedHashMap;import java.util.Map; public LRUCache
    
      extends LinkedHashMap
     
       {  private int cacheSize;   public LRUCache(int cacheSize) {    super(16, 0.75, true);    this.cacheSize = cacheSize;  }   protected boolean removeEldestEntry(Map.Entry
      
        eldest) {    return size() >= cacheSize;  }}