K - 键类型V - 值类型public abstract class CustomKeyMap<K,V> extends MapWrapper<K,V>
自定义键的Map,默认HashMap实现
| 限定符和类型 | 字段和说明 |
|---|---|
private static long |
serialVersionUID |
DEFAULT_INITIAL_CAPACITY, DEFAULT_LOAD_FACTOR| 构造器和说明 |
|---|
CustomKeyMap(Map<K,V> m)
构造
通过传入一个Map从而确定Map的类型,子类需创建一个空的Map,而非传入一个已有Map,否则值可能会被修改 |
| 限定符和类型 | 方法和说明 |
|---|---|
boolean |
containsKey(Object key) |
protected abstract Object |
customKey(Object key)
自定义键
|
V |
get(Object key) |
V |
put(K key,
V value) |
void |
putAll(Map<? extends K,? extends V> m) |
clear, compute, computeIfAbsent, computeIfPresent, containsValue, entrySet, equals, forEach, getOrDefault, getRaw, hashCode, isEmpty, iterator, keySet, merge, putIfAbsent, remove, remove, replace, replace, replaceAll, size, toString, valuesforEach, spliteratorprivate static final long serialVersionUID
public boolean containsKey(Object key)
containsKey 在接口中 Map<K,V>containsKey 在类中 MapWrapper<K,V>Copyright © 2020. All rights reserved.