java获取系统环境变量和系统属性
程序员文章站
2022-06-06 20:24:19
...
java获取系统环境变量和系统属性
代码 package jdk.system; import java.util.Map; import java.util.Properties; import java.util.Set; /** * @author <a href="mailto:zhangting@taobao.com">张挺</a> * @since 2010-3-26 10:11:16 */ public class SystemEnvDemo { public static void main(String[] args) { System.out.println("current system environment variable:"); Map<String,String> map = System.getenv(); Set<Map.Entry<String,String>> entries = map.entrySet(); for (Map.Entry<String, String> entry : entries) { System.out.println(entry.getKey() + ":" + entry.getValue()); } System.out.println("---------------"); System.out.println("current system properties:"); Properties properties = System.getProperties(); Set<Map.Entry<Object, Object>> set = properties.entrySet(); for (Map.Entry<Object, Object> objectObjectEntry : set) { System.out.println(objectObjectEntry.getKey() + ":" + objectObjectEntry.getValue()); } } }
更多java获取系统环境变量和系统属性相关文章请关注PHP中文网!
推荐阅读