java InetSocketAddress 与 InetAddress
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InetSocketAddress vs InetAddress
提问by Rajat
Can anyone please explain me is there is any difference between InetAddressand InetSocketAddressclasses in java, and if there is a difference, please explain the same. I google-ed it up but I couldn't find anything explanatory.
任何人都可以解释一下java中的InetAddress和InetSocketAddress类之间有什么区别，如果有区别，请解释相同。我用谷歌搜索了它，但找不到任何解释。
回答by Robin Chander
An instance of an InetAddress consists of an IP address and possibly its corresponding host name
InetAddress 的实例由 IP 地址和可能的对应主机名组成
This class implements an IP Socket Address (IP address + port number) It can also be a pair (hostname + port number), in which case an attempt will be made to resolve the hostname
这个类实现了一个IP Socket地址（IP地址+端口号），也可以是一对（主机名+端口号），在这种情况下会尝试解析主机名
回答by mike
They represent different OSI layers:
它们代表不同的OSI 层：
An
InetAddresscorresponds to the Network Layer (Layer 3)and is basically an IP address.A
InetSocketAddresscorresponds to the Transport Layer (Layer 4)and consists of an IP address and a port number.
An
InetAddress对应于网络层（第 3 层），基本上是一个 IP 地址。A
InetSocketAddress对应传输层（第 4 层），由 IP 地址和端口号组成。
