java 读写注册表

import java.util.prefs.Preferences;

public class UsingReg {

    public static final String REALKEY = "com.rgagnon.foo";

    public static void main(String[] args) {
        new UsingReg().doit();
    }

    public void doit() {
        // write into HKCU\Software\Javasoft\Prefs\com.rgagnon.foo
        Preferences p = Preferences.userRoot();
        p.put(REALKEY, "bar");

        // read back from HKEY_CURRENT_USER
        System.out.println(p);
        System.out.println(p.get(REALKEY, "HKCU houston we have a problem"));

        // write into HKLM\Software\Javasoft\Prefs\com.rgagnon.foo
        p = Preferences.systemRoot();
        p.put(REALKEY, "barbar");

        // read back from HKEY_LOCAL_MACHINE
        System.out.println(p);
        System.out.println(p.get(REALKEY, "HKLM houston we have a problem"));
    }
}

引用地址:
[url]
http://www.uusam.com/uu/blog/article/116.htm
[/url]