java 代码中设置 临时 环境变量
https://www.cnblogs.com/zychengzhiit1/p/6662376.html
System.setProperty("hadoop.home.dir", "D:\\software\\software_install\\dev_install\\hadoop-2.4.1");
java 代码中设置 临时 环境变量
https://www.cnblogs.com/zychengzhiit1/p/6662376.html
System.setProperty("hadoop.home.dir", "D:\\software\\software_install\\dev_install\\hadoop-2.4.1");