Question

java如何获取主机名字

Answer 1

import java.net.InetAddress;
import java.net.UnknownHostException;

public class Demo {
public static void main(String[] args) {
InetAddress a;
try {
a = InetAddress.getLocalHost();
System.out.println("主机名称: " + a.getHostName());
} catch (UnknownHostException e) {
e.printStackTrace();
}
}

}
我已经测试过了...

Answer 2

import java.net.InetAddress;
import java.net.UnknownHostException;

public class Demo {
public static void main(String[] args) {
InetAddress a;
try {
a = InetAddress.getLocalHost();
System.out.println("主机名称: " + a.getHostName());
} catch (UnknownHostException e) {
e.printStackTrace();
}
}

}

Answer 3

request.getServerName();//网页版
System.getProperty("os.name"); //javaEE版

Answer 4

用InetAddress取得

import java.net.InetAddress;
import java.net.UnknownHostException;
public class Test {
static public void main(String 参数[]){
try {
InetAddress a =InetAddress.getLocalHost();
System.out.println("主机名称: " + a.getHostName());
}
catch (UnknownHostException e) {
e.printStackTrace();
}
}
}

Answer 5

InetAddress add= InetAddress.getByName(ip);
String hostname=add.getHostName();