import java.io.*.
import java.util.prefs.*.
public class PrefsDemo {
public static void main(String args[])
{
String keys[] = {"key1","key2","key3"}.
String values[] = {"value1","value2","value3"}.
Preferences prefsdemo = Preferences.userRoot().node("test1/test1sub1").
/* 储存参数项*/
for (int i=0 . i < keys.length. i )
{
prefsdemo.put(keys[i], values[i]).
}
/*清除注册表中的参数项*/
{
prefsdemo.removeNode().
}
catch (BackingStoreException e)
{}
/* 导出到XML文件 */
try
{
FileOutputStream fos = new FileOutputStream("prefsdemo.xml").
prefsdemo.exportNode(fos).
} catch (Exception e)
{
System.err.println("Cannot export nodes: " e).
}
}
} |