package J20250723; import java.util.Collection; import java.util.Map; import java.util.Set; /** * @author WanJl * @version 1.0 * @title MyMap * @description * @create 2025/7/23 */ public class MyMap implements Map { @Override public int size() { return 0; } @Override public boolean isEmpty() { return false; } @Override public boolean containsKey(Object key) { return false; } @Override public boolean containsValue(Object value) { return false; } @Override public V get(Object key) { return null; } @Override public V put(K key, V value) { return null; } @Override public V remove(Object key) { return null; } @Override public void putAll(Map m) { } @Override public void clear() { } @Override public Set keySet() { return null; } @Override public Collection values() { return null; } @Override public Set> entrySet() { return null; } }