package w8;

public class Pair<K,V> {
    private K key;
    private V value;
    public Pair(K key,V value){
        this.key=key;
        this.value=value;
    }
    public K getKey(){
        return key;
    }
    public V getValue(){
        return value;
    }
    public static <K, V> Pair<V, K> swap(Pair<K, V> pair) {
        return new Pair<>(pair.getValue(), pair.getKey());
    }
    
}