Java操作注册表信息 .
在代码开始前，我们先了解一下操作系统对对注册表的相关命令与操作

REG Operation [参数列表]

Operation [ QUERY | ADD | DELETE | COPY |
SAVE | LOAD | UNLOAD | RESTORE |
COMPARE | EXPORT | IMPORT ]

返回代码: (除了 REG COMPARE)

0 - 成功
1 - 失败

要得到有关某个操作的帮助，请键入:

REG Operation /?

例如:

REG QUERY /?
REG ADD /?
REG DELETE /?
REG COPY /?
REG SAVE /?
REG RESTORE /?
REG LOAD /?
REG UNLOAD /?
REG COMPARE /?
REG EXPORT /?
REG IMPORT /?

import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;/** *  * @description 本程序实现了读取注册表分支：HKEY_CURRENT_USER/Software/ODBC/ODBC.INI/ODBC Data Sources到内存的操作 */public class getRegToMemery {public static void main(String []args){try {Process ps = null;ps = Runtime.getRuntime().exec("reg query /"HKEY_CURRENT_USER//Software//ODBC//ODBC.INI//ODBC Data Sources/"");ps.getOutputStream().close();InputStreamReader i = new InputStreamReader(ps.getInputStream());String line;BufferedReader ir = new BufferedReader(i);while ((line = ir.readLine()) != null) {System.out.println(line);}} catch (IOException e) {e.printStackTrace();}}}