1 byte add[] = {131, 170, 40, 30}; //IP地址字節數組2 //由IP地址創建InetAddress類對象3 InetAddress someIA = InetAddress.getByAddress(add);4 //獲取并輸出someIA對象的計算機名稱5 System.out.println("IP地址為64.124.117.19的計算機名稱:" + someIA.getHostName());在用NetBean編寫Java的main method中,如果將byte改為int,則違反了static InetAddress getByAddress(byte[] addr)這一原則
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