类分层结构
- java.lang.Object
- io.geewit.snowflake.utils.NamingThreadFactory (implements java.util.concurrent.ThreadFactory)
- io.geewit.snowflake.utils.NetUtils
- java.lang.Number (implements java.io.Serializable)
- java.util.concurrent.atomic.AtomicLong (implements java.io.Serializable)