📅  最后修改于: 2022-03-11 14:52:12.156000             🧑  作者: Mango
import java.util.Map;
final class MyEntry implements Map.Entry {
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;
}
}