用java读MAC地址(原创)

利用JAVA来读取本机MAC地址：代码如下

import java.io.*;
/*
* @Author Zengqingcong
* 2008-07-15
*/
public class ReadMacAddress {

    public String getPhysicAddress() {
        String physicalAddress = "";
        String line = "";
        try {
            Process process = Runtime.getRuntime().exec("cmd /c ipconfig /all");
            BufferedReader bufferedReader = new BufferedReader(
                    new InputStreamReader(process.getInputStream()));
            while ((line = bufferedReader.readLine()) != null) {
                if (line.indexOf("Physical Address. . . . . . . . . :") != -1) {
                    if (line.indexOf(":") != -1) {
                        physicalAddress = line.substring(line.indexOf(":") + 2);
                    }
                }

            }

        } catch (IOException e) {
            e.printStackTrace();
        }
        return physicalAddress;
    }

    public static void main(String[] args) {
        System.out.println("Your MacAddress is:\t"+new ReadMacAddress().getPhysicAddress());//My MacAddress is:00-16-E6-DA-AC-68
    }
}

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你这个里面的. . . . . . . . .这么多个 点号是什么意思啊。可不可以解释一下啊

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