LRUCache.java

package melnorme.lang.utils;

import java.util.LinkedHashMap;
import java.util.Map;

@SuppressWarnings("serial")
public class LRUCache<K, V> extends LinkedHashMap<K, V> {
	
    protected final int maxEntries;
    
    public LRUCache(int maxEntries) {
        super(maxEntries + 1, 1.0f, true);
        this.maxEntries = maxEntries;
    }
    
    @Override
    protected boolean removeEldestEntry(final Map.Entry<K, V> eldest) {
        return super.size() > maxEntries;
    }
    
}