Helper MapEntry

Jan Burse, created Jun 06. 2017

* <p>The base class for the map entries.</p>
* <p>The entry value can be modified.</p>
* </p>
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public abstract class MapEntry<K, V> {
public K key;
public V value;
* <p>Create an entry.</p>
* @param k The key.
* @param v The value.
MapEntry(K k, V v) {
key = k;
value = v;