empty map entry java
import java.util.Map; final class MyEntry<K, V> implements Map.Entry<K, V> { private final K key; private V value; public MyEntry(K key, V value) { this.key = key; this.value = value; } @Override public K getKey() { return key; } @Override public V getValue() { return value; } @Override public V setValue(V value) { V old = this.value; this.value = value; return old; } }
