java如何取得mac位址

程式碼：

public static String getMACAddress() {
String address = "";
String os = System.getProperty("os.name");
System.out .println(os);
if (os != null && os.startsWith("Windows")) {
try {
ProcessBuilder pb = new ProcessBuilder("ipconfig", "/all");
Process p = pb.start();
BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
String line;
while ((line = br.readLine( )) != null) {
if (line.indexOf("物理位址") != -1) {
int index = line.indexOf(":");
address = line.substring (索引1);
break;
}
}
br.close();
回傳位址.trim();
} catch (IOException e) {
}＃＃＃}＃＃＃退貨地址;＃＃＃}＃＃＃

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