how to instanciate map.entry java
/**
* @author Jack Waller <[email protected]>
* @version 1.1
* @since 2020-03-28
* A implementation of Map.Entry.
*/
public final class Pair<K, V> implements Map.Entry<K, V> {
//variables
private final K key;
private V value;
//constructor
public Pair(K key, V value) {
this.key = key;
this.value = value;
}
//methods
/**
* Returns the key.
* @return K
*/
@Override
public K getKey() {
return key;
}
/**
* Returns the value.
* @return V
*/
@Override
public V getValue() {
return value;
}
/**
* Sets the value, returns the old value
* @param v value to set
* @return V
*/
@Override
public V setValue(V v) {
V old = this.value;
this.value = v;
return old;
}
}