close
查詢自己電腦名稱及ip
難易度:easy
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import java.net.*;
class myip{
public static void main(String args[]){
InetAddress host;
try{
host = InetAddress.getLocalHost();
System.out.println("主機名稱為 :" + host);
}catch(UnknownHostException e){
System.out.println("發生例外");
}
}
}
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