摘要:
-------------------android培训、java培训、期待与您交流!------------------/*Map集合:该集合存储键值对。一对一对往里存。而且要保证键的唯一性。1,添加。put(K key, V value)putAll(Map<? extends K,? extends V> m)2,删除。clear()remove(Object key)3,判断。containsValue(Object value)containsKey(Object key)isEmpty()4,获取。get(Object key)size()values()entrySe 阅读全文