1.显示 sina 网的 IP 地址，域名
实现代码：
package com.zhangyufan.net;
import java.net.InetAddress;
import java.net.UnknownHostException;
public class TestInetAddress {
public static void main(String[] args) throws UnknownHostException {
InetAddress inad = InetAddress.getByName("www.sina.com.cn");
System.out.println("sina网的IP地址:" + inad.getHostAddress() + ",域名:" + inad.getHostName());
}
}
运行结果：
2. 显示本机的 IP 地址和域名
实现代码：
package com.zhangyufan.net;
import java.net.InetAddress;
import java.net.UnknownHostException;
public class TestInetAddress {
public static void main(String[] args) throws UnknownHostException {
InetAddress inad = InetAddress.getLocalHost();
System.out.println("本机的IP地址: " + inad.getHostAddress() + ",域名: " + inad.getHostName());
}
}
运行结果：
