java向注册表写入和删除实例

package com.test;

import java.util.prefs.BackingStoreException;
import java.util.prefs.Preferences;

import com.ice.jni.registry.RegistryKey;
public class Registery {   
    String[] keys = {"version", "initial", "creator"};   
    String[] values = {"1.3", "ini.mp3", "[e-mail]"};   
 //把相应的值储存到变量中去   
    public void writeValue() {   
 // HKEY_LOCAL_MACHINE\Software\JavaSoft\prefs下写入注册表值.   
        Preferences pre = Preferences.systemRoot().node("/javaplayer");
       
     // HKEY_LOCAL_USER\Software\JavaSoft\prefs下写入注册表值.
     //   Preferences pre = Preferences.userRoot().node("/javaplayer"); 
        for (int i = 0; i < keys.length; i++) {   
            pre.put(keys[i], values[i]);   
        }   
      
    }   
    public static void main(String[] args) {   
        Registery reg = new Registery();   
//        reg.writeValue(); 
        reg.deleteValues();
 
    }   
    public void deleteValues(){
     Preferences pre = Preferences.systemRoot().node("/javaplayer");
     try {
   String[] ks=pre.keys();
   for(int i=0;i<ks.length;i++){
    System.out.println("ks["+i+"]="+ks[i]);
    pre.remove(ks[i]);
   }
  } catch (BackingStoreException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
    }
}