package org.mapdb.guavaTests; import java.util.Collections; import java.util.HashMap; import java.util.Map; public class Helpers { public static <K, V> Map.Entry<K, V> mapEntry(final K key, final V value) { Map<K,V> m = new HashMap<K,V>(); m.put(key,value); m = Collections.unmodifiableMap(m); return m.entrySet().iterator().next(); } }