线程安全的map在JDK 1.5及其更高版本环境有哪几种方法可以实现()。A、Map map = new HashMap()B、Map map = new TreeMap()C、Map map = new ConcurrentHashMap()D、Map map = Collections.synchronizedMap(new HashMap())
线程安全的map在JDK 1.5及其更高版本环境有哪几种方法可以实现()。
- A、Map map = new HashMap()
- B、Map map = new TreeMap()
- C、Map map = new ConcurrentHashMap()
- D、Map map = Collections.synchronizedMap(new HashMap())
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